-- Health care stocks were higher before Friday's opening bell, with the State Street Health Care Select Sector SPDR ETF (XLV) gaining by 0.5% and the iShares Biotechnology ETF (IBB) advancing 0.2%.
Trevi Therapeutics (TRVI) shares were down more than 7% before market open. The company said late Thursday it priced its public offering of 11.6 million common shares at $13 each for about $150 million in gross proceeds.