<div id="readability-page-1">01:56 PM EDT, 05/05/2026 (MT Newswires) -- Health care stocks rose Tuesday afternoon, with the NYSE Health Care Index and the State Street Health Care Select Sector SPDR ETF (XLV) increasing 0.3% each.The iShares Biotechnology ETF (IBB) was shedding 0.4%.In corporate news, Pfizer's ( PFE ) Q1 results surpassed analysts' estimates as robust demand across its key brands offset weakening sales of its COVID-19 products. Its shares declined 0.7%.Merck ( MRK ) shares added 0.4% after the company said Tuesday it has completed the acquisition of Terns Pharmaceuticals after a cash tender offer at $53 per share. Terns' stock will no longer be listed on Nasdaq, it said.BioNTech (BNTX) shares dropped 3.5% after the company reported a wider adjusted loss and lower revenue in Q1. MT Newswires does not provide investment advice. Unauthorized reproduction is strictly prohibited.</div>

BNTX

Health care stocks saw a rise on Tuesday, with the NYSE Health Care Index and the State Street Health Care Select Sector SPDR ETF both up 0.3%. Pfizer reported Q1 results exceeding estimates, but its shares fell 0.7%. Merck's shares increased by 0.4% following its acquisition of Terns Pharmaceuticals. In contrast, BioNTech's shares dropped 3.5% due to a wider adjusted loss and lower revenue in Q1.

- Health care stocks experienced a slight increase, with the NYSE Health Care Index and the State Street Health Care Select Sector SPDR ETF both rising by 0.3%.  
- Pfizer's Q1 results exceeded expectations, boosted by strong demand for its key products, though its shares fell by 0.7%.  
- Meanwhile, Merck's shares gained 0.4% following its acquisition of Terns Pharmaceuticals, while BioNTech reported a wider adjusted loss, leading to a 3.5% drop in its stock.

Fidelity

Pfizer

Merck

BioNTech SE

iShares US Healthcare

iShares US Healthcare Providers

iShares Genomics Immunology and Healthcare ETF

SPDR S&P Biotech

Invesco Nasdaq Biotechnology ETF

SPDR S&P Health

ALPS Medical Breakthrough

Direxion S&P Biotech Bull 3X

First Trust NYSE Arca Biotech Index Fd

iShares US Medical Devices

VanEck Biotech ETF

Health Care Select Sector SPDR

Proshares Ultra Nasdaq Biotech

VG Health

Invesco Biotechnology & Genome ETF

iShares Global Healthcare

iShares Biotechnology ETF

Terns Pharmaceuticals

Sector Update: Health Care Stocks Advance Tuesday Afternoon