Here are some of the companies making headlines in midday trading. Asset managers – A slate of asset managers surged on Tuesday following news that Nvidia is partnering with a half-dozen firms in a bid to line up more than $500 billion in financing for hyperscalers and frontier artificial intelligence labs to build out data centers. Nvidia was last marginally lower. Partnering firm Blackstone advanced 4%, while Apollo and KKR both rose more than 6%. Jabil – The builder of circuit boards popped 5% on the back of an upgrade to buy from UBS. "We upgrade Jabil to Buy on a multiyear growth cycle fueled by AI investment from Amazon, Meta, and Google, rising healthcare demand as capacity comes online, and scaling automation and robotics markets," analyst David Vogt said. AppLovin – The mobile tech company lost 5% after Bank of America downgraded shares to neutral. The firm said risks to AppLovin's revenue growth forecast have increased. Bank of America also trimmed its price target to $400 from $430. Aramark — The operator of cafeterias, hospital kitchens and sports stadium food stands climbed 9%. Fiscal third-quarter revenue and earnings per share topped Street estimates, and Aramark raised its full year forecast for internally-generated revenue growth, StreetAccount said. Aecom — The infrastructure consulting firm shed nearly 7% on the back of its third quarter report. Revenue for the period came in at $3.59 billion, reflecting a 14% decline from the year-ago period. The company also posted an adjusted loss of 50 cents a share. A construction management project charge weighed on results. SpaceX – Elon Musk's rocket company dropped nearly 5% on the day. Shares are about to snap a three-day losing run in which they climbed over 28%. Life360 — The developer of location sharing mobile applications plunged 25%. Second-quarter adjusted EBITDA beat Street estimates but StreetAccount said analysts largely attributed that a one-time tariff benefit and timing of costs. The stock had climbed 47% in the three months going into the results. Upwork — Shares in the virtual temp agency slumped 13%. Third-quarter guidance for earnings per share, revenue and adjusted EBITDA all trailed analyst estimates, while full year guidance declined from what Upwork had previously given, according to FactSet data. Fermi — The builder of massive data center campuses designed to power artificial intelligence jumped 22%. Fermi signed its first binding customer lease with AI cloud provider TensorWave for Fermi's Project Matador campus outside Amarillo, Texas. The agreement covers 222 megawatts of facility power, representing about $6.5 billion in total contracted revenue. Hims & Hers Health – Shares fell 4% after the telehealth company trimmed the upper end of its full-year EBITDA outlook. Hims & Hers also posted a net loss of 37 cents per share for Q2, compared with a profit of 17 cents per share in the prior year. Plug Power – Shares rallied 13% after the electrical equipment manufacturing company reported a smaller-than-expected loss for the second quarter. On Holding — Shares for the Switzerland-based company dropped 20% on mixed second-quarter results. The sportswear company also reduced its full year revenue guidance. — CNBC's Scott Schnipper, Tom Rotunno, Michelle Fox and Ananya Chetia contributed reporting.