Shares of Teradyne, Inc. (NASDAQ:TER – Get Free Report) rose 10.3% during mid-day trading on Tuesday . Teradyne News SummaryHere are the key news stories impacting Teradyne this week:Get Teradyne alerts:Analyst Ratings ChangesSeveral research firms recently commented on TER. Zacks Research raised shares of Teradyne from a “hold” rating to a “strong-buy” rating in a research report on Tuesday, May 12th. According to data from MarketBeat.com, Teradyne has an average rating of “Moderate Buy” and an average target price of $396.80. Teradyne Price PerformanceThe stock has a 50-day moving average price of $382.76 and a 200-day moving average price of $338.83.