Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades, downgrades and initiations, please see our analyst ratings page.Barclays analyst Carter Gould downgraded the rating for Bristol-Myers Squibb Company BMY from Equal-Weight to Underweight and maintained the price target of $41. Bristol-Myers Squibb shares gained 11.4% to settle at $50.45 on Friday. See how other analysts view this stock. See how other analysts view this sto ...