The Nasdaq-100 set another all-time high Tuesday while the S&P 500 added 0.6%.
The shares tumbled as much as 48% on Thursday in the biggest selloff since the company went public in 2015.
The rebound follows “the most extreme period of stress in the modern history of biotech,” one analyst said.
Strategist Marko Kolanovic sees opportunities in tech, biotech and emerging markets.
Wood's Ark Investment Management LLC is a top holder of companies operating in the genetic therapy sector.
Cassava Sciences, a drugmaker with no products on the market after 20 years, is the top biotech performer in 2021.
GameStop shares fell for a third day in four as retail traders flocked to other corners of the stock market.
Traders are becoming addicted to individual penny stocks.
Trading in micro-cap companies that most professionals ignore has made up roughly 20% of recent stock trading volume.
Analysts consider a divided government a positive for health insurers.