See the companies making headlines in midday trading. Nvidia — Shares of the artificial intelligence darling fell 6.2%, reversing course after rising to an all-time high earlier in the session. Nvidia announced new gaming chips for computers using Blackwell technology at a conference in Las Vegas. Tuesday’s decline came after a strong 2024 for Nvidia, during which it was one of the best performers in the S&P 500. UniFirst – Shares of the maker of school and work uniforms jumped nearly 21% after rival Cintas confirmed it had filed a proposal for acquiring the company for $275 per share in cash. This was first reported by the Wall Street Journal. Cintas shares rose 2%. Getty Images, Shutterstock – Two image databases have exploded following the companies’ announcement of a $3.7 billion merger, with the new entity retaining the Getty name. Following the announcement, Getty shares jumped more than 24% and Shutterstock shares rose nearly 15%. Aurora Innovation – Shares of the company soared more than 29% after the self-driving technology company announced partnerships with Nvidia and Continental. The agreement is focused on the introduction of unmanned trucks. Inari Medical – The company’s shares rose more than 22% after Stryker said it would buy the medical device maker in a deal valued at about $4.9 billion, or $80 per share in cash. Stryker shares lost 1.7%. FuboTV – The streaming service jumped nearly 8%, adding to the 251% gained in the previous session. Disney announced Monday that it will merge its Hulu+ Live TV service with Fubo. Disney will own 70% of the company, while Fubo shareholders will own 30%. Micron Technology – Shares of the chipmaker jumped 2.7%, extending Monday’s 10% gain. This week’s gains come after Nvidia CEO Jensen Huang said he was using Micron G7 memory for new AI-powered GPUs. Moderna – Pharmaceutical stocks rose 11.7%. Moderna is one of a handful of drugmakers currently developing a vaccine against bird flu, a disease that has been in the spotlight since the first human death was reported in the United States. Paychex – HR shares rose 2.4% after entering into a definitive agreement to acquire human resources software provider Paycor for $22.50 per share. Paycor shares, on the other hand, fell 3%. Tesla — Shares of the electric vehicle giant fell just over 4% after Bank of America downgraded its rating from buy to neutral. The bank cited execution risks and high valuations as reasons for the pause. Carvana — Shares gained 5% after RBC upgraded the online car retailer to an outperform rating for the sector. Analyst Brad Erickson said last month’s “controversial pullback” opened up an attractive buying opportunity for the stock. — CNBC’s Yun Lee, Jesse Pound, Lisa Han, Michelle Fox, Sean Conlon and Sarah Min contributed reporting.