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Taiwanese (TAIEX) Pharmaceuticals & Biotech Stocks - Biggest Losers Today

UPDATED May 20, 2026

Explore the Taiwanese (TAIEX) Biggest Losers Today. These Pharmaceuticals & Biotech Stocks have seen the largest drop in Market Cap from the previous trading day.

144 companies
CompanyLast Price1D Return1Y ReturnMarket CapAnalysts TargetValuationGrowthDiv Yield
6446
NT$789.00-0.9%73.4%NT$293.2bNT$778.8349.449.6%0.1%
6945
NT$156.50-6.8%188.7%NT$13.4bn/a10.5n/an/a
6696
NT$390.50-2.0%183.0%NT$32.3bn/a3.0n/an/a
4743
NT$49.00-2.0%-21.0%NT$23.5bNT$308.00167.1n/a0%
6586
NT$65.90-2.2%58.4%NT$14.1bn/a9855.5n/an/a
6976
NT$13.10-4.0%-28.8%NT$7.6bn/a41227.4n/an/a
6535
NT$128.00-1.2%-14.4%NT$21.4bNT$250.00682.41.2%n/a
4132
NT$3.47-31.8%-76.8%NT$562.9mn/a12.6n/an/a
7762
NT$55.40-5.3%6.9%NT$3.2bn/a126.9n/a0.5%
6620
NT$76.00-1.2%-8.7%NT$12.6bn/a16.1n/a2.6%
6785
NT$124.50-1.6%-10.8%NT$8.3bn/a2769.4n/a0.08%
6467
NT$135.50-1.8%124.0%NT$7.0bn/a895.2n/an/a
4157
NT$9.02-2.0%-10.2%NT$6.4bn/a120.0n/an/a
1799
NT$34.45-2.5%-42.9%NT$4.3bn/a6.3n/an/a
6794
NT$78.50-2.1%21.9%NT$5.0bn/a188.3n/an/a
4147
NT$48.85-0.7%-38.1%NT$13.3bNT$192.0022.2n/an/a
6891
NT$49.25-0.8%112.7%NT$9.9bn/a773.5n/an/a
4726
NT$28.25-1.2%-21.6%NT$5.9bn/a7.2n/an/a
6580
NT$15.45-4.0%-36.4%NT$1.7bn/a62.1n/an/a
1762
NT$37.90-2.2%28.9%NT$3.0bn/a3.0n/a0.5%
4130
NT$27.30-2.0%29.8%NT$3.1bn/a6.6n/a0.4%
7784
NT$9.50-3.4%n/aNT$1.8bn/an/an/an/a
7832
NT$12.15-0.8%-5.1%NT$7.0bn/a2951.0n/an/a
6657
NT$39.00-1.6%-47.2%NT$3.4bn/a437.0n/an/a
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