Inside the Recent Strength in Biotech ETFs
Biotech-based exchange-traded fund (ETF) iShares Biotechnology ETF IBB has rallied about 35% over the past six months (as of Nov. 20, 2025), outperforming SPDR S&P 500 ETF Trust SPY (up 12%). Year to date, IBB has risen 23.6% versus SPY’s 11.6% gain.The performance marks a sharp turnaround in 2025…

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