Check out the companies making headlines in the midday trading: Berkshire Hathaway – The Warren Buffett conglomerate saw stocks fall more than 4%, falling from record highs on Friday. The sale came Monday after 94-year-old Buffett announced his intention to step down as CEO. The board voted unanimously on Sunday to acquire President and CEO Greg Abel on January 1, 2026, maintaining Buffett as chairman. Meanwhile, Berkshire’s operating profit fell 14% in the first quarter, with 48.6% of insurance-based profits plummeted. In semiconductors, shares fell more than 8% in the first quarter despite chip makers’ top-line and bottom-line beats. It also issued second-quarter guidance to estimate earnings adjusted between 48 cents and 58 cents per share, with analysts voting 51 cents per share in fact set forecasts. Topline guidance from $1.4 billion to $1.5 billion also nearly surpassed the consensus estimate of $1.41 billion. Skechers USA – The footwear company’s shares surged almost 25% after agreeing to be acquired by 3G Capital at $63 per share. After the announcement, other footwear stocks rose in sympathy. CROCS scored almost 5%, while Deckers advanced by more than 2%. Tyson Foods – Jimmy Dean and Hillshire Farm’s parent stock slipped almost 8% after earnings in the second quarter came in at $13.07 billion, but missed a consensus forecast of $13.14 billion from analysts voted by Factset. However, Tyson recorded revenue of 92 cents per share, breaking Wall Street estimates of 83 cents per share, excluding items. Howard Hughes – The shares added 3.7% after activist investor Bill Ackman’s Pershing Square agreed to buy the 9 million newly issued shares of the property developer. The hedge fund is paying $100 per share. This represents a 48% premium from Howard Hughes’ closing price on Friday. Sunoco – Shares fell nearly 6% after motor fuel distributors shared plans to acquire Canada-based competitor Parkland. Cash and inventory transactions are valued at over $9 billion, including debt. LOEWS – Conglomerate stocks pulled back 1.3% after the company’s first quarter report showed a decline in revenue. Loews reported net profit of $370 million and $1.74 per share for a period of less than $457 million in the previous year and $2.05 per share. The company has confirmed that net profits for insurance and hotel businesses have been declining. Streamer – Streaming stocks have fallen after President Donald Trump announced on Sunday’s true social post a 100% tariff on films produced outside the US to save the “dying” American film industry. Netflix lost over 1%. Amazon, Paramount Global and Warner Bros. Discovery each ran about 1%. After an upgrade of UBS to buy from EQT-Nutral, the natural gas stock was almost 3% pop. UBS called the stock “appropriately placed” to capture the upside tied to the company’s positive outlook for natural gas next year. Wendy’s – Fast Food Chain added 1% to overweight from neutral to JPMorgan’s upgrade. JPMorgan said the current stock price of the stock offers investors “value-oriented opportunities.” SOTERA HEALTH – Shares jumped nearly 5% after Goldman Sachs upgraded its test lab company stock to buy from Neutral. Goldman said the company has a “durable” business model and should be able to withstand a recession. – CNBC’s Sean Conlong, Lisa Kai-Lay Han, Hakyung Kim, Michelle Fox, Jesse Pound and Yoon Lee reported.