Top Health-care stocks:
Health-care shares were mainly unchanged in pre-market trade Wednesday.
In health-care stocks news, Vital Therapies ( VTL ), a developer of ELAD, a cell-based therapy targeting acute forms of liver failure, said early Wednesday it appointed Faheem Hasnain as chairman, effective immediately.
Shares in the company were unchanged at $3.15 in early trade. The stock has traded between $2.25 and $6.58 over the past 52 weeks.
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