01:32 PM EDT, 05/21/2024 (MT Newswires) -- Health care stocks were mixed Tuesday afternoon, with the NYSE Health Care Index rising 0.2% and the Health Care Select Sector SPDR Fund (XLV) fractionally lower.

The iShares Biotechnology ETF (IBB) fell 1%.

In corporate news, Senate Finance Committee Chair Ron Wyden is seeking information on Pfizer's ( PFE ) tax practices. In a letter sent Monday to Pfizer ( PFE ) Chief Executive Albert Bourla, Wyden asked how Pfizer ( PFE ) managed to book most of its profits offshore, despite the US market contributing significantly to its global revenue. Pfizer ( PFE ) shares were falling 0.4%.