Take a look at the companies making headlines in midday trading. Nvidia and Sherwin-Williams – Shares of Nvidia and Sherwin-Williams rose more than 1% and about 3%, respectively, after announcing on Friday that they would join the Dow Jones Industrial Average. Nvidia plans to replace rival chipmaker Intel, while paint maker Sherwin-Williams will replace Dow. Intel shares fell more than 4% and Dow Chemical shares fell 2.7%. Berkshire Hathaway — Warren Buffett’s conglomerate said third-quarter operating profit totaled $10.1 billion, down about 6% from a year earlier, sending its shares down nearly 3%. It was also slightly below forecasts by analysts polled by FactSet. Talen Energy – Shares of the independent power producer fell about 3% after the Federal Energy Regulatory Commission rejected a request to increase the amount of electricity delivered from the Susquehanna nuclear plant to Amazon data centers. Talen owns the nuclear power plant and sold the data center campus to Amazon in March in an unprecedented deal. Shares of Constellation Energy and Vistra fell about 11% and 3%, respectively. Investors expect Constellation and Vistra to announce similar deals with technology companies at some point. Marriott International – The hotel company’s shares fell nearly 2% after disappointing third-quarter earnings and forward guidance. Marriott reported adjusted earnings of $2.26 per share on revenue of $6.26 billion. Analysts expected earnings of $2.31 per share on revenue of $6.27 billion, according to FactSet. Fourth-quarter guidance was below Wall Street expectations. Peloton — Shares of the fitness equipment company rose 4% after Bank of America upgraded the stock to buy from underperform. The bank believes that under new CEO Peter Stern, Peloton can grow earnings in advance of interest, tax, depreciation and amortization in the next few years. Yum China Holdings — Shares of the Shanghai-based fast-food company rose 8% after beating third-quarter revenue and profit estimates. Yum China reported revenue rising 5% year over year to $3.07 billion, a record quarterly high. Fox Corp. — Shares of Fox Corp. rose nearly 4% after the media company’s fiscal first-quarter results beat Wall Street expectations. Fox Corp. reported adjusted earnings of $1.45 per share on revenue of $3.56 billion. That beat analysts polled by FactSet who expected earnings of $1.13 per share and revenue of $3.38 billion. Chewy — Chewy will replace Stericycle in the S&P MidCap 400 Index effective Wednesday, S&P Dow Jones Indices said Friday, sending the pet retailer’s shares up 8%. NEW YORK TIMES — The New York Times reported weaker-than-expected digital subscriber growth in the third quarter, sending the media company’s stock lower, even as the Times posted its strongest digital ad sales growth in more than two years. 6%. The New York Times Technology Association also announced on Monday morning that it has officially launched an unfair labor practices strike. —CNBC’s Michelle Fox, Lisa Kailai Han, Pia Singh, Sean Conlon and Samantha Subin contributed reporting