Stocks making the biggest moves premarket: AMD, Comerica, Micron Technology and more

Check out the companies making headlines before the bell: AMD — The chipmaker surged more than 23% following a deal reached by OpenAI and Advanced Micro Devices that could see the ChatGPT parent take a 10% stake in AMD. Comerica , Fifth Third Bancorp — Fifth Third Bancorp announced a $10.9 billion all-stock deal to buy regional bank Comerica, sending shares of the latter bank 12% higher. Fifth Third Bancorp’s stock shed 4%. Boeing — Shares ticked up nearly 1%, shortly after Bloomberg reported that the airplane maker plans to accelerate its production of jets in its 737 Max line. The company could reach a 42-jet output per month for its 737 Maxs as soon as October, the report said. Micron Technology — The memory storage stock popped 3.7% on the back of Morgan Stanley’s upgrade to overweight from equal weight. Morgan Stanley said to expect multiple quarters with price increases in the double digits. Tesla — Shares gained 2% after Tesla posted a teaser video on social media platform X that sparked speculation that the electric vehicle maker is ramping up the release of a new car. — CNBC’s Michelle Fox, Alex Harring and Liz Napolitano contributed reporting.