Healthcare stocks were mixed premarket Wednesday, with the iShares Biotechnology ETF (IBB) down 0.1% and the State Street Health Care Select Sector SPDR ETF (XLV) marginally higher.
Medtronic (MDT) shares were up more than 5% after the company reported fiscal Q4 adjusted earnings and revenue that topped analysts' expectations.
MiniMed (MMED) stock was up more than 4% after the company posted higher fiscal Q4 revenue.
TG Therapeutics' (TGTX) subcutaneous formulation of ublituximab showed "positive" pharmacokinetic, pharmacodynamic, safety, and tolerability data from a phase 1 clinical trial comparing the multiple sclerosis therapy to the drug's intravenous version, the company said.
Shares of TG Therapeutics were up more than 5% pre-bell.