Allegro MicroSystems, Inc. (NASDAQ:ALGM – Get Free Report) shares fell 5.8% during trading on Monday after Mizuho lowered their price target on the stock from $67.00 to $58.00. Get Allegro MicroSystems alerts:Read Our Latest Research Report on ALGMInsiders Place Their BetsInstitutional Inflows and OutflowsIn other news, CEO Michael Doogue sold 30,089 shares of Allegro MicroSystems stock in a transaction that occurred on Monday, May 11th. Caitong International Asset Management Co. Ltd lifted its holdings in shares of Allegro MicroSystems by 85.8% during the fourth quarter. Finally, Oregon Public Employees Retirement Fund lifted its holdings in shares of Allegro MicroSystems by 2.8% during the first quarter. Featured StoriesReceive News & Ratings for Allegro MicroSystems Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Allegro MicroSystems and related companies with MarketBeat.com's FREE daily email newsletter.