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. Rosenblatt analyst Mike Genovese downgraded Coherent Corp. (NYSE:COHR) from Buy to Neutral but raised the price target from $84 to $105. Coherent shares closed at $98.44 on Monday. See how other analysts view this stock.Keybanc analyst Sophie Karp downgraded the rating for Duke Energy Corporation (NYSE:DUK) from Overweight to Sector Weight. Duke Energy shares closed at $119.89 on Monday. See how other analy…