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.

• Needham analyst Ami Fadia upgraded Biogen Inc. (NASDAQ:BIIB) from Hold to Buy and announced a $255 price target. Biogen shares closed at $195.34 on Friday. See how other analysts view this stock.
• Wedbush analyst Steven Wahrhaftig upgraded Cognizant Technology Solutions Corporation (NASDAQ:CTSH) from Neutral to Outperform and boosted the price target from $56 to $70. Cognizant Tech shares closed at $53.21 on Friday. See how other analysts view this stock.
• Barclays analyst Dan Levy upgraded Avis Budget Group, Inc. (NASDAQ:CAR) from Underweight to Equal-Weight and raised the price target from $140 to $160. Avis Budget shares closed at $176.79 on Friday.

Considering buying BIIB stock? Here’s what analysts think:

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