Key Points Teradyne rose higher in sympathy with strong Micron earnings. Analysts are raising price targets, signaling positive market sentiment. Shares in the automated test systems equipment company Teradyne (NASDAQ: TER) rose by 10.5% today on a strong day of recovery for AI and semiconductor-related stocks. The move was sparked by an excellent set of earnings from memory chip company Micron Technology, a Teradyne customer, which helped dispel fears that the AI spending boom was about to slow.