Check out the companies making headlines before the bell. Synopsys — The developer of design automation models and software jumped 8% after Nvidia invested $2 billion in Synopsys common stock at $414.79 per share as part of a broad strategic partnership. Leggett & Platt — Shares rose 14% after the furniture component manufacturer received an unsolicited, all-stock buyout proposal from Somnigroup International valued at $12 per share. Wynn Resorts — The hotel and casino chain added almost 2% after Goldman Sachs included Wynn on its conviction buy list. Goldman said the company has a “best-in-class” Las Vegas business, while improvement in China’s Macao region can “drive transformative upside.” Nvidia , Micron Technology , Marvell Technology — Some artificial intelligence-linked stocks traded down as investor concerns about an AI bubble grew. Nvidia slipped 1.4%, while Micron Technology and Marvell Technology each fell about 2%. Moderna — The MRNA vaccine maker fell 4% after the FDA’s Center for Biologics Evaluation and Research Director Vinay Prasad issued an internal memo that linked Moderna’s Covid-19 vaccines to the death of 10 children, per the New York Times. Coinbase , Mara Holdings — Cryptocurrency-linked stocks fell as traders continued to rotate out of risk-on investments. Mara Holdings shed 6.5%, while Coinbase traded nearly 4% lower. Cleanspark — The bitcoin mining stock fell more than 7%, rever …