Here’s a look at the companies making headlines in midday trading: GameStop — Meme stock jumped more than 25% in volatile trade amid speculation that Keith Gill, the man who sparked 2021’s epic short squeeze, may be in The video game retailer has a huge position in it. On Sunday night, Gill’s Reddit handle DeepF——Value resurfaced and posted a screenshot showing his portfolio may hold 5 million shares of GameStop common stock, worth more than $100 million. He also owns 120,000 GameStop call options. Another meme stock, AMC, rose 10%. Both names were also affected by technical issues on the New York Stock Exchange on Monday morning. Waste Management, Stericycle – Waste Management will acquire Stericycle for $7.2 billion, the companies announced Monday. Stericycle shares rose nearly 15%, while Waste Management shares fell 4%. Spotify — Shares of Spotify rose 4% after the music streaming company announced in July that it would raise U.S. premium subscription prices. This is the Swedish company’s second rate hike in a year. GlaxoSmithKline (GSK) — Shares of the pharmaceutical giant fell more than 9% after a Delaware court ruled that it can provide scientific evidence in about 75,000 cases alleging that discontinued heartburn drug Zantac may contain a carcinogen. Paramount Global — Shares of the media company rose more than 7% after CNBC’s David Faber reported that the company and Skydance have agreed to terms of a merger, with the deal likely to be announced in the coming days and pending on Paramount Holdings Shareholder Shari approved Redstone, he reported. Lattice Semiconductor, Coherent — Shares of Lattice fell 11% after CEO Jim Anderson left to take over Coherent, which The company’s stock price rose 17%. Esam Elashmawi, Lattice’s head of marketing and strategy, has been named interim CEO while a search is conducted for a permanent leader. Becton, Dickinson and Company — The medical technology stock rose 2.6% after announcing it would acquire Edwards Lifesciences’ critical care products in a $4.2 billion cash deal. Edwards Lifesciences shares rose 0.5%. MarineMax — Shares of the boat and yacht services company surged 24% after Bloomberg News reported that OneWater Marine was in acquisition talks with the company. OneWater Marine will pay $40 per share, the report said, citing people familiar with the matter. India and Mexico Stocks — Stocks related to India and Mexico saw volatility following the elections in both countries. The iShares MSCI India ETF (INDA) rose 3% to hit a new 52-week high as exit polls showed Prime Minister Narendra Modi and his coalition were on course for a third consecutive term. The iShares MSCI Mexico ETF (EWW) plunged nearly 9% after Claudia Sheinbaum became the first woman elected president. Cava — The stock fell about 5% after JPMorgan downgraded the stock to neutral from overweight. The bank said shares of the Mediterranean fast-casual chain have become expensive. Shares more than doubled in 2024. Chipmaker Nvidia, which rose 3%, also launched a new generation of artificial intelligence chips on Sunday, which will succeed its previous generation “Blackwell” product released in March. Bank of America maintained its price target on Nvidia after naming it a top pick in a report on Monday, implying room for about 36% upside. Structure Therapeutics — Shares of the biotech soared 60% after positive results from a mid-stage clinical trial showed its experimental anti-obesity drug helped patients lose about 6% of their starting weight after 12 weeks of treatment. Autodesk — Shares of Autodesk rose 5% after the software company said it would not restate its financial results following an investigation into its accounting practices. Krispy Kreme — Shares of Krispy Kreme rose 2% after JPMorgan upgraded the stock to overweight. The company believes that increased accessibility will allow it to more fully participate in the global hobby market. McDonald’s and Krispy Kreme previously announced in March that they would expand their partnership to cover all of the burger chain’s U.S. locations by the end of 2026. up 2%. Piper Sandler said investors have a better chance of making money from the stocks currently trading. MongoDB — The developer data platform traded up 1% after Guggenheim upgraded the stock to neutral from sell. Guggenheim’s call comes after the company last week provided investors with weak guidance for the quarter and full year. First Solar — Shares of First Solar rose 1% after Goldman Sachs reiterated its bid for the solar solutions company. Goldman Sachs said there are multiple reasons to be optimistic about share price performance even after the recent gains. —CNBC’s Sean Colon, Yun Li, Pia Singh, Michelle Fox and Christina Cheddar-Berk contributed reporting.