Keros rises 26% in trading debut during week of market gains

Keros priced an upsized IPO Wednesday and gained $4.08 (26%) to $20.08 despite continued pandemic-driven volatility in the markets.

While the Arca NYSE Biotechnology (BTK) and NASDAQ Biotechnology (NBI) and the S&P Biotech ETF (XBI) indexes are up about 6-9% for the week, the indexes remain 11%, 9% and 17%, respectively, below their February peaks. ...