Healthcare stocks were lower Monday afternoon, with the NYSE Healthcare Index decreasing 0.3% and the State Street Health Care Select Sector SPDR ETF (XLV) down 0.2%.
The iShares Biotechnology ETF (IBB) rose 0.4%.
In corporate news, Abbott Laboratories (ABT) shares were down 0.6%. The Wall Street Journal reported Sunday the company will not face criminal charges after the US Department of Justice closed a years-long investigation into its baby formula operations.
Zymeworks (ZYME) has agreed to buy Theravance Biopharma (TBPH) for $17 per share in a roughly $929 million deal, the companies said in separate statements. Zymeworks shares were down 1%, and Theravance fell 2.3%.
QuidelOrtho (QDEL) shares surged 34%. The company is weighing the sale of its point-of-care testing business behind rapid COVID-19 antigen tests for about $1.5 billion, the Financial Times reported Saturday.