Check out the companies making headlines in midday trading: Visa – Shares fell nearly 4% following a Bloomberg report that the Justice Department is preparing to file antitrust charges against the credit card network and payments processor. Smartsheet — Shares rose more than 6% after Blackstone and Vista Equity Partners agreed to buy the software maker for $56.50, or about $8.4 billion. Unless another bid is made, the deal is expected to close in January 2025, pending shareholder approval. Chinese stocks – Shares of Chinese companies rose after China’s central bank unveiled a slew of stimulus measures. E-commerce giants JD.com, PDD Holdings and Alibaba jumped between 7% and 11%, while automakers Nio and Li Auto each advanced more than 8% Thor Industries — Recreational vehicles rose 5% after stronger-than-expected earnings. report. Thor earned $1.68 per share on $2.53 billion in revenue in the fiscal fourth quarter. Analysts polled by LSEG had penciled in $1.30 per share on revenue of $2.47 billion. Arlo Technologies – Shares rose 4.5% after the maker of wireless surveillance products, including security cameras and video doorbells, said its board authorized a buyback of up to $50 million in common stock. Flowserve – Shares rose nearly 5% higher after Bank of America reiterated its buy rating, saying its exposure to nuclear power was “uninteresting.” The bank said it could be a beneficiary of the reopening of the Three Mile Island nuclear power plant and future changes where nuclear power is needed. BioNTech — US-listed shares of the German biotechnology company advanced 4.1% after Morgan Stanley upgraded it to overweight from equal weight. Morgan Stanley said BioNTech has undertaken what it sees as a “comprehensive” clinical development plan. GE Vernova — The energy stock added 2% after Guggenheim initiated research coverage with a buy rating and a $300 price target, 19% higher than the stock’s close on Monday. Analyst Joseph Osha sees room for “multi-year growth in profits.” – CNBC’s Alex Harring, Samantha Subin, Lisa Kailai Han, Jesse Pound and Sarah Min contributed reporting.