01:53 PM EDT, 03/17/2026 (MT Newswires) -- Health care stocks declined Tuesday afternoon, with the NYSE Health Care Index decreasing 0.4% and the State Street Health Care Select Sector SPDR ETF (XLV) shedding 0.6%.

The iShares Biotechnology ETF (IBB) rose 0.4%.

In corporate news, Aldeyra Therapeutics ( ALDX ) shares dropped 68% after the company said it has received a complete response letter from the US Food and Drug Administration for its reproxalap application for dry eye disease, citing insufficient evidence of effectiveness.