Midday movers: Warner Bros. Discovery, Tyson Foods, Sovos Brands and more

Investing.com -- U.S. stocks rose on Monday, starting the week off on a positive note ahead of a key inflation report due out Thursday.

Here are some of the biggest U.S. stock movers today:

• Apple (NASDAQ:AAPL) stock fell 2.2% after its disappointing iPhone sales report. Rosenblatt downgraded the tech giant to Buy from Neutral.

• Warner Bros. Discovery (NASDAQ:WBD) rose 3%, helped by its role as distributor of the movie "Barbie", which has raked in over $1 billion in ticket sales worldwide just 17 days after its debut.

• Tyson Foods (NYSE:TSN) stock slumped 5.8% after the meat packer missed expectations for third quarter revenue, as customers scaled back on meat purchases in the face of still high inflation.

• KKR (NYSE:KKR) stock rose 3% after the private equity firm reported a 23% drop in second quarter earnings, a smaller drop than expected.

• Sovos Brands (NASDAQ:SOVO) rose 25% after Campbell Soup (NYSE:CPB), down 1.3%, said it would buy the food company for $2.33B.

• Berkshire Hathaway (NYSE:BRKa) stock rose 3.6% after the Warren Buffett-led conglomerate posted its highest ever quarterly operating profit.

• Yellow Corp. (NASDAQ:YELL) stock slumped 14% after the U.S. trucking firm filed for Chapter 11 bankruptcy protection, burdened with a heavy debt load after a series of mergers.

• Cinemark (NYSE:CNK) stock rose 2.6% after Morgan Stanley) said the combined revenue boost of the “Barbie” and “Oppenheimer” films could boost the movie chain’s stock by more than 35%. The bank maintains its “overweight” rating.

-- Peter Nurse contributed to this report