美股市場個股詳情

MTEX 寰泰生技

添加自選
  • 6.790
  • -0.160-2.30%
收盤價 06/28 16:00 (美東)
1279.79萬總市值-7629市盈率TTM

寰泰生技關鍵統計數據

季報+年報
顯示同比 yoy
隱藏空行 yoy
(Q1)2024/03/31
(FY)2023/12/31
(Q4)2023/12/31
(Q3)2023/09/30
(Q2)2023/06/30
(Q1)2023/03/31
(FY)2022/12/31
(Q4)2022/12/31
(Q3)2022/09/30
(Q2)2022/06/30
資產
流動資產
現金及現金等價物和短期投資
-42.18%791.1萬
-43.88%773.1萬
-43.88%773.1萬
-47.47%792.8萬
-54.43%937.4萬
-41.43%1,368.2萬
-43.03%1,377.7萬
-43.03%1,377.7萬
-44.38%1,509.2萬
-20.78%2,057.2萬
-現金和現金等價物
-42.18%791.1萬
-43.88%773.1萬
-43.88%773.1萬
-47.47%792.8萬
-54.43%937.4萬
-41.43%1,368.2萬
-43.03%1,377.7萬
-43.03%1,377.7萬
-44.38%1,509.2萬
-20.78%2,057.2萬
應收款項
32.30%77萬
-13.26%55.6萬
-13.26%55.6萬
-11.13%56.7萬
77.83%106.7萬
22.27%58.2萬
48.38%64.1萬
48.38%64.1萬
36.03%63.8萬
12.57%60萬
-應收賬款
140.60%32萬
-58.26%9.1萬
-58.26%9.1萬
-44.81%14.9萬
205.69%64.5萬
46.15%13.3萬
142.22%21.8萬
142.22%21.8萬
90.14%27萬
-8.66%21.1萬
-應收稅費
0.22%45萬
9.93%46.5萬
9.93%46.5萬
13.59%41.8萬
8.48%42.2萬
16.62%44.9萬
23.68%42.3萬
23.68%42.3萬
12.54%36.8萬
28.81%38.9萬
存貨
-10.71%1,367.9萬
-1.30%1,453.5萬
-1.30%1,453.5萬
0.53%1,533.2萬
14.07%1,583.8萬
21.67%1,532萬
22.51%1,472.6萬
22.51%1,472.6萬
10.09%1,525.1萬
2.91%1,388.4萬
受限制現金
-0.64%93.8萬
-0.64%93.8萬
-0.64%93.8萬
-0.64%93.8萬
-0.64%93.8萬
0.00%94.4萬
0.00%94.4萬
0.00%94.4萬
0.00%94.4萬
0.00%94.4萬
遞延資產
-27.29%183.6萬
-13.97%213萬
-13.97%213萬
-30.89%177.9萬
-42.38%185.2萬
-18.63%252.5萬
4.52%247.6萬
4.52%247.6萬
12.06%257.4萬
37.47%321.4萬
其他流動資產
-7.52%314.6萬
-25.74%177.4萬
-25.74%177.4萬
4.99%204萬
-20.47%218.3萬
-10.43%340.2萬
-17.28%238.9萬
-17.28%238.9萬
-32.30%194.3萬
-16.51%274.5萬
流動資產合計
-22.42%2,828萬
-20.85%2,766.4萬
-20.85%2,766.4萬
-21.56%2,858.4萬
-25.52%3,125.2萬
-17.65%3,645.5萬
-18.41%3,495.3萬
-18.41%3,495.3萬
-23.38%3,644.2萬
-9.89%4,195.9萬
非流動資產
固定資產淨額
-13.14%899.4萬
-9.44%874.7萬
-9.44%874.7萬
11.04%432.6萬
-7.73%1,018.9萬
-5.86%1,035.4萬
-10.89%965.9萬
-10.89%965.9萬
-59.34%389.6萬
-10.39%1,104.2萬
-固定資產
-13.14%899.4萬
-1.22%6,137.8萬
-1.22%6,137.8萬
11.04%432.6萬
-7.73%1,018.9萬
-5.86%1,035.4萬
-1.70%6,213.8萬
-1.70%6,213.8萬
-59.34%389.6萬
-10.39%1,104.2萬
-累計折舊
----
-0.29%-5,263.1萬
-0.29%-5,263.1萬
----
----
----
-0.20%-5,247.9萬
-0.20%-5,247.9萬
----
----
商譽及其他無形資產
--23.7萬
0.00%20萬
0.00%20萬
----
0.00%20萬
----
--20萬
--20萬
----
0.00%20萬
-其他無形資產
--23.7萬
0.00%20萬
0.00%20萬
----
0.00%20萬
----
--20萬
--20萬
----
0.00%20萬
非流動遞延資產
50.85%160.5萬
7.33%161.1萬
7.33%161.1萬
-59.66%119.8萬
-58.32%116.4萬
-61.17%106.4萬
-46.87%150.1萬
-46.87%150.1萬
181.52%297萬
156.00%279.3萬
長期預付費用
-43.23%124.9萬
-4.35%220萬
-4.35%220萬
----
0.00%220萬
-8.33%220萬
-4.17%230萬
-4.17%230萬
----
-12.00%220萬
其他非流動資產
4.21%69.3萬
52.23%78.4萬
52.23%78.4萬
-11.90%809.8萬
-2.13%46萬
32.21%66.5萬
-26.74%51.5萬
-26.74%51.5萬
62.06%919.2萬
-60.14%47萬
非流動資產合計
-10.54%1,277.8萬
-4.47%1,354.2萬
-4.47%1,354.2萬
-15.17%1,362.2萬
-14.92%1,421.3萬
-15.19%1,428.3萬
-15.46%1,417.5萬
-15.46%1,417.5萬
-1.54%1,605.8萬
-3.39%1,670.5萬
總資產
-19.05%4,105.8萬
-16.13%4,120.6萬
-16.13%4,120.6萬
-19.61%4,220.6萬
-22.63%4,539.9萬
-17.04%5,072萬
-17.61%4,912.8萬
-17.61%4,912.8萬
-17.81%5,250萬
-8.10%5,868.1萬
負債
流動負債
應付款項
-13.90%1,540.4萬
-19.09%1,390.7萬
-19.09%1,390.7萬
-4.37%1,424.1萬
3.86%1,629.7萬
8.38%1,789.1萬
7.10%1,718.8萬
7.10%1,718.8萬
-15.72%1,489.1萬
-15.96%1,569.1萬
-應付賬款
-13.79%488.2萬
-8.05%401萬
-8.05%401萬
-15.32%387.9萬
13.39%582.5萬
10.56%566.3萬
9.88%436.1萬
9.88%436.1萬
-3.17%458.1萬
0.57%513.7萬
-應付稅費
6.21%210.3萬
-51.78%172.2萬
-51.78%172.2萬
-31.29%131.1萬
13.22%173.8萬
12.76%198萬
44.69%357.1萬
44.69%357.1萬
-11.95%190.8萬
-19.46%153.5萬
-其他應付款
-17.85%841.9萬
-11.68%817.5萬
-11.68%817.5萬
7.72%905.1萬
-3.16%873.4萬
6.43%1,024.8萬
-3.69%925.6萬
-3.69%925.6萬
-21.99%840.2萬
-22.63%901.9萬
應計費用
-68.15%168.5萬
-16.87%269.5萬
-16.87%269.5萬
370.51%754.7萬
-48.44%330萬
-2.04%529萬
-20.48%324.2萬
-20.48%324.2萬
-78.84%160.4萬
45.45%640萬
短期借款與租賃負債
-3.50%247.8萬
12.79%217萬
12.79%217萬
-90.86%57.5萬
19.24%248.5萬
18.45%256.8萬
8.95%192.4萬
8.95%192.4萬
209.30%628.8萬
-16.07%208.4萬
-短期借款
-14.77%52.5萬
-8.75%24萬
-8.75%24萬
-6.19%30.3萬
-3.97%41.1萬
1.32%61.6萬
28.29%26.3萬
28.29%26.3萬
53.08%32.3萬
-5.93%42.8萬
-短期租賃負債
0.05%195.3萬
16.20%193萬
16.20%193萬
-95.44%27.2萬
25.24%207.4萬
25.13%195.2萬
6.41%166.1萬
6.41%166.1萬
227.39%596.5萬
-18.34%165.6萬
遞延負債
-12.65%480.8萬
-7.76%530.1萬
-7.76%530.1萬
-33.65%394.9萬
-27.74%433萬
-16.82%550.4萬
1.88%574.7萬
1.88%574.7萬
2.46%595.2萬
-1.45%599.2萬
其他流動負債
----
----
----
----
433.33%3萬
----
----
----
----
---9,000
流動負債總額
-16.34%2,614.7萬
-13.60%2,578萬
-13.60%2,578萬
-8.43%2,631.2萬
-11.90%2,824.2萬
-2.94%3,125.3萬
-0.86%2,983.8萬
-0.86%2,983.8萬
-13.16%2,873.5萬
-5.53%3,205.8萬
非流動負債
長期借款與租賃負債
200.96%313萬
-17.07%355.6萬
-17.07%355.6萬
901.96%102.2萬
-0.90%461.5萬
-76.66%104萬
6,396.97%428.8萬
6,396.97%428.8萬
-97.80%10.2萬
-12.05%465.7萬
-長期租賃負債
200.96%313萬
-17.07%355.6萬
-17.07%355.6萬
901.96%102.2萬
-0.90%461.5萬
-76.66%104萬
6,396.97%428.8萬
6,396.97%428.8萬
-97.80%10.2萬
-12.05%465.7萬
長期應計費用
--35.1萬
--40萬
--40萬
----
0.00%30萬
----
----
----
----
0.00%30萬
員工福利
--98.5萬
25.00%100萬
25.00%100萬
----
0.00%20萬
----
--80萬
--80萬
----
-33.33%20萬
其他非流動負債
----
-153.85%-1.4萬
-153.85%-1.4萬
-17.42%417.2萬
112.77%40萬
1,687.11%457.5萬
-99.49%2.6萬
-99.49%2.6萬
409.27%505.2萬
-35.17%18.8萬
非流動負債總額
-20.46%446.6萬
-3.36%494.2萬
-3.36%494.2萬
0.78%519.4萬
3.18%551.5萬
7.75%561.5萬
-0.02%511.4萬
-0.02%511.4萬
-8.47%515.4萬
-13.62%534.5萬
總負債
-16.97%3,061.3萬
-12.10%3,072.2萬
-12.10%3,072.2萬
-7.03%3,150.6萬
-9.75%3,375.7萬
-1.45%3,686.8萬
-0.74%3,495.2萬
-0.74%3,495.2萬
-12.48%3,388.9萬
-6.78%3,740.3萬
所有者權益
股本
--0
--0
--0
--0
--0
--0
--0
--0
--0
--0
-普通股股本
--0
--0
--0
--0
--0
--0
--0
--0
--0
--0
-優先股股本
--0
--0
--0
--0
--0
--0
--0
--0
--0
--0
留存收益
-106.32%-12.1萬
-177.16%-130.1萬
-177.16%-130.1萬
-94.69%45.5萬
-94.37%43.7萬
-74.30%191.5萬
-78.13%168.6萬
-78.13%168.6萬
1.76%856.7萬
32.06%775.6萬
資本公積
-0.99%3,294.8萬
-0.20%3,330.9萬
-0.20%3,330.9萬
-0.35%3,330.1萬
-0.34%3,329.4萬
-0.25%3,327.7萬
0.30%3,337.7萬
0.30%3,337.7萬
-0.09%3,341.8萬
-1.04%3,340.7萬
減:庫存股
-1.95%1,993.6萬
-0.82%2,050.9萬
-0.82%2,050.9萬
0.93%2,050.9萬
5.35%2,043.1萬
8.44%2,033.3萬
9.33%2,067.9萬
9.33%2,067.9萬
5.14%2,032.1萬
-1.88%1,939.3萬
不影響留存收益的損益
-142.90%-244.6萬
-387.98%-101.5萬
-387.98%-101.5萬
16.57%-254.7萬
-236.99%-165.8萬
-160.34%-100.7萬
-108.88%-20.8萬
-108.88%-20.8萬
-216.88%-305.3萬
-112.73%-49.2萬
股東權益總額
-24.60%1,044.5萬
-26.04%1,048.4萬
-26.04%1,048.4萬
-42.51%1,070萬
-45.29%1,164.2萬
-41.63%1,385.2萬
-41.93%1,417.6萬
-41.93%1,417.6萬
-26.01%1,861.1萬
-10.34%2,127.8萬
總權益
-24.60%1,044.5萬
-26.04%1,048.4萬
-26.04%1,048.4萬
-42.51%1,070萬
-45.29%1,164.2萬
-41.63%1,385.2萬
-41.93%1,417.6萬
-41.93%1,417.6萬
-26.01%1,861.1萬
-10.34%2,127.8萬
貨幣單位
美元
美元
美元
美元
美元
美元
美元
美元
美元
美元
會計準則
US-GAAP
US-GAAP
US-GAAP
US-GAAP
US-GAAP
US-GAAP
US-GAAP
US-GAAP
US-GAAP
US-GAAP
審計意見
--
無保留意見
--
--
--
--
無保留意見
--
--
--
(Q1)2024/03/31(FY)2023/12/31(Q4)2023/12/31(Q3)2023/09/30(Q2)2023/06/30(Q1)2023/03/31(FY)2022/12/31(Q4)2022/12/31(Q3)2022/09/30(Q2)2022/06/30
資產
流動資產
現金及現金等價物和短期投資 -42.18%791.1萬-43.88%773.1萬-43.88%773.1萬-47.47%792.8萬-54.43%937.4萬-41.43%1,368.2萬-43.03%1,377.7萬-43.03%1,377.7萬-44.38%1,509.2萬-20.78%2,057.2萬
-現金和現金等價物 -42.18%791.1萬-43.88%773.1萬-43.88%773.1萬-47.47%792.8萬-54.43%937.4萬-41.43%1,368.2萬-43.03%1,377.7萬-43.03%1,377.7萬-44.38%1,509.2萬-20.78%2,057.2萬
應收款項 32.30%77萬-13.26%55.6萬-13.26%55.6萬-11.13%56.7萬77.83%106.7萬22.27%58.2萬48.38%64.1萬48.38%64.1萬36.03%63.8萬12.57%60萬
-應收賬款 140.60%32萬-58.26%9.1萬-58.26%9.1萬-44.81%14.9萬205.69%64.5萬46.15%13.3萬142.22%21.8萬142.22%21.8萬90.14%27萬-8.66%21.1萬
-應收稅費 0.22%45萬9.93%46.5萬9.93%46.5萬13.59%41.8萬8.48%42.2萬16.62%44.9萬23.68%42.3萬23.68%42.3萬12.54%36.8萬28.81%38.9萬
存貨 -10.71%1,367.9萬-1.30%1,453.5萬-1.30%1,453.5萬0.53%1,533.2萬14.07%1,583.8萬21.67%1,532萬22.51%1,472.6萬22.51%1,472.6萬10.09%1,525.1萬2.91%1,388.4萬
受限制現金 -0.64%93.8萬-0.64%93.8萬-0.64%93.8萬-0.64%93.8萬-0.64%93.8萬0.00%94.4萬0.00%94.4萬0.00%94.4萬0.00%94.4萬0.00%94.4萬
遞延資產 -27.29%183.6萬-13.97%213萬-13.97%213萬-30.89%177.9萬-42.38%185.2萬-18.63%252.5萬4.52%247.6萬4.52%247.6萬12.06%257.4萬37.47%321.4萬
其他流動資產 -7.52%314.6萬-25.74%177.4萬-25.74%177.4萬4.99%204萬-20.47%218.3萬-10.43%340.2萬-17.28%238.9萬-17.28%238.9萬-32.30%194.3萬-16.51%274.5萬
流動資產合計 -22.42%2,828萬-20.85%2,766.4萬-20.85%2,766.4萬-21.56%2,858.4萬-25.52%3,125.2萬-17.65%3,645.5萬-18.41%3,495.3萬-18.41%3,495.3萬-23.38%3,644.2萬-9.89%4,195.9萬
非流動資產
固定資產淨額 -13.14%899.4萬-9.44%874.7萬-9.44%874.7萬11.04%432.6萬-7.73%1,018.9萬-5.86%1,035.4萬-10.89%965.9萬-10.89%965.9萬-59.34%389.6萬-10.39%1,104.2萬
-固定資產 -13.14%899.4萬-1.22%6,137.8萬-1.22%6,137.8萬11.04%432.6萬-7.73%1,018.9萬-5.86%1,035.4萬-1.70%6,213.8萬-1.70%6,213.8萬-59.34%389.6萬-10.39%1,104.2萬
-累計折舊 -----0.29%-5,263.1萬-0.29%-5,263.1萬-------------0.20%-5,247.9萬-0.20%-5,247.9萬--------
商譽及其他無形資產 --23.7萬0.00%20萬0.00%20萬----0.00%20萬------20萬--20萬----0.00%20萬
-其他無形資產 --23.7萬0.00%20萬0.00%20萬----0.00%20萬------20萬--20萬----0.00%20萬
非流動遞延資產 50.85%160.5萬7.33%161.1萬7.33%161.1萬-59.66%119.8萬-58.32%116.4萬-61.17%106.4萬-46.87%150.1萬-46.87%150.1萬181.52%297萬156.00%279.3萬
長期預付費用 -43.23%124.9萬-4.35%220萬-4.35%220萬----0.00%220萬-8.33%220萬-4.17%230萬-4.17%230萬-----12.00%220萬
其他非流動資產 4.21%69.3萬52.23%78.4萬52.23%78.4萬-11.90%809.8萬-2.13%46萬32.21%66.5萬-26.74%51.5萬-26.74%51.5萬62.06%919.2萬-60.14%47萬
非流動資產合計 -10.54%1,277.8萬-4.47%1,354.2萬-4.47%1,354.2萬-15.17%1,362.2萬-14.92%1,421.3萬-15.19%1,428.3萬-15.46%1,417.5萬-15.46%1,417.5萬-1.54%1,605.8萬-3.39%1,670.5萬
總資產 -19.05%4,105.8萬-16.13%4,120.6萬-16.13%4,120.6萬-19.61%4,220.6萬-22.63%4,539.9萬-17.04%5,072萬-17.61%4,912.8萬-17.61%4,912.8萬-17.81%5,250萬-8.10%5,868.1萬
負債
流動負債
應付款項 -13.90%1,540.4萬-19.09%1,390.7萬-19.09%1,390.7萬-4.37%1,424.1萬3.86%1,629.7萬8.38%1,789.1萬7.10%1,718.8萬7.10%1,718.8萬-15.72%1,489.1萬-15.96%1,569.1萬
-應付賬款 -13.79%488.2萬-8.05%401萬-8.05%401萬-15.32%387.9萬13.39%582.5萬10.56%566.3萬9.88%436.1萬9.88%436.1萬-3.17%458.1萬0.57%513.7萬
-應付稅費 6.21%210.3萬-51.78%172.2萬-51.78%172.2萬-31.29%131.1萬13.22%173.8萬12.76%198萬44.69%357.1萬44.69%357.1萬-11.95%190.8萬-19.46%153.5萬
-其他應付款 -17.85%841.9萬-11.68%817.5萬-11.68%817.5萬7.72%905.1萬-3.16%873.4萬6.43%1,024.8萬-3.69%925.6萬-3.69%925.6萬-21.99%840.2萬-22.63%901.9萬
應計費用 -68.15%168.5萬-16.87%269.5萬-16.87%269.5萬370.51%754.7萬-48.44%330萬-2.04%529萬-20.48%324.2萬-20.48%324.2萬-78.84%160.4萬45.45%640萬
短期借款與租賃負債 -3.50%247.8萬12.79%217萬12.79%217萬-90.86%57.5萬19.24%248.5萬18.45%256.8萬8.95%192.4萬8.95%192.4萬209.30%628.8萬-16.07%208.4萬
-短期借款 -14.77%52.5萬-8.75%24萬-8.75%24萬-6.19%30.3萬-3.97%41.1萬1.32%61.6萬28.29%26.3萬28.29%26.3萬53.08%32.3萬-5.93%42.8萬
-短期租賃負債 0.05%195.3萬16.20%193萬16.20%193萬-95.44%27.2萬25.24%207.4萬25.13%195.2萬6.41%166.1萬6.41%166.1萬227.39%596.5萬-18.34%165.6萬
遞延負債 -12.65%480.8萬-7.76%530.1萬-7.76%530.1萬-33.65%394.9萬-27.74%433萬-16.82%550.4萬1.88%574.7萬1.88%574.7萬2.46%595.2萬-1.45%599.2萬
其他流動負債 ----------------433.33%3萬-------------------9,000
流動負債總額 -16.34%2,614.7萬-13.60%2,578萬-13.60%2,578萬-8.43%2,631.2萬-11.90%2,824.2萬-2.94%3,125.3萬-0.86%2,983.8萬-0.86%2,983.8萬-13.16%2,873.5萬-5.53%3,205.8萬
非流動負債
長期借款與租賃負債 200.96%313萬-17.07%355.6萬-17.07%355.6萬901.96%102.2萬-0.90%461.5萬-76.66%104萬6,396.97%428.8萬6,396.97%428.8萬-97.80%10.2萬-12.05%465.7萬
-長期租賃負債 200.96%313萬-17.07%355.6萬-17.07%355.6萬901.96%102.2萬-0.90%461.5萬-76.66%104萬6,396.97%428.8萬6,396.97%428.8萬-97.80%10.2萬-12.05%465.7萬
長期應計費用 --35.1萬--40萬--40萬----0.00%30萬----------------0.00%30萬
員工福利 --98.5萬25.00%100萬25.00%100萬----0.00%20萬------80萬--80萬-----33.33%20萬
其他非流動負債 -----153.85%-1.4萬-153.85%-1.4萬-17.42%417.2萬112.77%40萬1,687.11%457.5萬-99.49%2.6萬-99.49%2.6萬409.27%505.2萬-35.17%18.8萬
非流動負債總額 -20.46%446.6萬-3.36%494.2萬-3.36%494.2萬0.78%519.4萬3.18%551.5萬7.75%561.5萬-0.02%511.4萬-0.02%511.4萬-8.47%515.4萬-13.62%534.5萬
總負債 -16.97%3,061.3萬-12.10%3,072.2萬-12.10%3,072.2萬-7.03%3,150.6萬-9.75%3,375.7萬-1.45%3,686.8萬-0.74%3,495.2萬-0.74%3,495.2萬-12.48%3,388.9萬-6.78%3,740.3萬
所有者權益
股本 --0--0--0--0--0--0--0--0--0--0
-普通股股本 --0--0--0--0--0--0--0--0--0--0
-優先股股本 --0--0--0--0--0--0--0--0--0--0
留存收益 -106.32%-12.1萬-177.16%-130.1萬-177.16%-130.1萬-94.69%45.5萬-94.37%43.7萬-74.30%191.5萬-78.13%168.6萬-78.13%168.6萬1.76%856.7萬32.06%775.6萬
資本公積 -0.99%3,294.8萬-0.20%3,330.9萬-0.20%3,330.9萬-0.35%3,330.1萬-0.34%3,329.4萬-0.25%3,327.7萬0.30%3,337.7萬0.30%3,337.7萬-0.09%3,341.8萬-1.04%3,340.7萬
減:庫存股 -1.95%1,993.6萬-0.82%2,050.9萬-0.82%2,050.9萬0.93%2,050.9萬5.35%2,043.1萬8.44%2,033.3萬9.33%2,067.9萬9.33%2,067.9萬5.14%2,032.1萬-1.88%1,939.3萬
不影響留存收益的損益 -142.90%-244.6萬-387.98%-101.5萬-387.98%-101.5萬16.57%-254.7萬-236.99%-165.8萬-160.34%-100.7萬-108.88%-20.8萬-108.88%-20.8萬-216.88%-305.3萬-112.73%-49.2萬
股東權益總額 -24.60%1,044.5萬-26.04%1,048.4萬-26.04%1,048.4萬-42.51%1,070萬-45.29%1,164.2萬-41.63%1,385.2萬-41.93%1,417.6萬-41.93%1,417.6萬-26.01%1,861.1萬-10.34%2,127.8萬
總權益 -24.60%1,044.5萬-26.04%1,048.4萬-26.04%1,048.4萬-42.51%1,070萬-45.29%1,164.2萬-41.63%1,385.2萬-41.93%1,417.6萬-41.93%1,417.6萬-26.01%1,861.1萬-10.34%2,127.8萬
貨幣單位 美元美元美元美元美元美元美元美元美元美元
會計準則 US-GAAPUS-GAAPUS-GAAPUS-GAAPUS-GAAPUS-GAAPUS-GAAPUS-GAAPUS-GAAPUS-GAAP
審計意見 --無保留意見--------無保留意見------

分析

分析師評級

暫無數據

目標價預測

暫無數據

熱議
美股
綜合熱度
股票代碼
最新價
漲跌幅