Bio-related stocks are broadly weaker on the Korean stock market. Major names such as Alteogen, HLB, Samsung Biologics, and Celltrion all declined, with some stocks posting drops of 3-4%. Aptabio, however, rose, showing a mixed performance among individual stocks.

As of around 10 a.m. on the 22nd, Alteogen was trading at 232,000 won, down 8,000 won (3.33%) from the previous trading day. It opened at 240,000 won and rose as high as 241,000 won intraday before falling to 231,500 won. Trading volume was 98,128 shares.

Samsung Biologics was trading at 1,394,000 won, down 23,000 won (1.62%) from the previous session. Its intraday high was 1,430,000 won and low was 1,354,000 won, with a trading volume of 16,056 shares. Celltrion fell 2,100 won (1.06%) to 195,500 won. It opened at 197,400 won and dropped as low as 191,200 won intraday, with a trading volume of 204,317 shares.

HLB-affiliated stocks also fell across the board. HLB was trading at 41,500 won, down 850 won (2.01%) from the previous day, with an intraday high of 42,700 won, a low of 41,150 won, and a trading volume of 236,327 shares. HLB Life Science fell 140 won (3.78%) to 3,565 won, and HLB Global dropped 70 won (3.47%) to 1,945 won. HLB Genex fell 95 won (3.99%) to 2,285 won, and HLB Panagine declined 54 won (3.71%) to 1,403 won. HLB Innovation fell 460 won (2.74%) to 16,330 won, and HLB Pharmaceutical dropped 250 won (2.36%) to 10,330 won. HLB Biostep fell 140 won (2.33%) to 5,870 won, HLB Therapeutics declined 35 won (1.29%) to 2,675 won, and HLB Pepto dropped 80 won (1.87%) to 4,200 won.

Declines also continued among new drug development-related stocks. ABL Bio was trading at 45,000 won, down 1,750 won (3.74%) from the previous session. It rose as high as 47,100 won intraday before falling to 44,950 won, with a trading volume of 104,057 shares. Olix traded at 103,900 won, down 3,000 won (2.81%), with its current price matching the intraday low (high: 109,600 won) and a trading volume of 55,299 shares. Peptron fell 1,300 won (1.23%) to 104,300 won. It rose as high as 110,700 won intraday before dropping to 103,300 won, with a trading volume of 111,866 shares.

Curient posted one of the largest declines among major bio stocks, trading at 20,750 won, down 900 won (4.16%) from the previous session, with an intraday high of 21,950 won and a low of 20,600 won. ChabioTech fell 170 won (2.25%) to 7,400 won, and Hanall BioPharma declined 450 won (1.09%) to 40,950 won. Genexine also fell 20 won (0.79%) to 2,520 won.

Pharmaceutical and vaccine-related stocks were also weak. HK InnoEN fell 100 won (0.29%) to 34,800 won, and SK Bioscience dropped 500 won (1.41%) to 34,950 won. Macrogen declined 110 won (0.95%) to 11,410 won, with a trading volume of only 609 shares.

Of the 26 bio-related stocks provided on the day, 22 declined, 1 rose, and 2 were unchanged. Curient, HLB Genex, HLB Life Science, ABL Bio, and HLB Panagine posted declines of more than 3%, while large caps such as Samsung Biologics and Celltrion also failed to escape the downward trend.

Amid this, Aptabio showed gains. Its share price traded at 6,810 won, up 60 won (0.89%) from the previous session, with an intraday high of 6,910 won, a low of 6,750 won, and a trading volume of 12,274 shares. NKGEN Biotech Korea was unchanged at 3,670 won with a trading volume of 0 shares. Utilex was also flat at 959 won from the previous session, with no trading volume.

[This article is provided for informational purposes as an investment reference and does not recommend the purchase or sale of any specific stock. Figures may vary depending on market conditions. Investment decisions and any resulting responsibility rest with the investor. AI provided partial assistance.]