Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades and downgrades, please see our analyst ratings page.Loop Capital analyst Anthony Chukumba initiated coverage on Grocery Outlet Holding Corp. GO with a Hold rating and announced a price target of $17. Grocery Outlet shares closed at $16.45 on Wednesday. See how other analysts view this stock.Bernstein analyst Aaron Gal initiated coverage on Gilead Sciences, Inc. GILD with a ...