Check out the companies that make headlines before the bell. Berkshire Hathaway – Class B stocks in Warren Buffett’s conglomerate fell 4% year-on-year to $11.16 billion in the second quarter, impacting a decline in insurance underwriting. Buffett’s $344.1 billion cash storage remained near record highs. The conglomerate was a net seller of stock in the 11th quarter. Cable parts suppliers rose 2% after agreeing to acquire Amphenol-Commscope’s Connectivity and Cable Solutions business for $10.5 billion in cash. Sales are scheduled to close in the first half of 2026. Comscope stocks skyrocketed 42%. LOEWS – Added 2% after the insurance company reported second-quarter revenue of $1.87 per share. The company’s last quarter revenue was $4.56 billion, up 7% from revenue of $4.27 billion from the previous year. Energizer – Shares rose 9% after battery makers reported third quarter revenue beats and raised full-year guidance. Energizer currently expects adjusted revenues of between $3.55 and $3.65 per share for a year. According to Factset, this exceeds the consensus estimate of $3.37 per share. WAYFAIR – Furniture retailers surged 9.5% after exploding beyond Wall Street expectations in the second quarter. Wayfair earned 87 cents per share, excluding items with revenue of $3.27 billion, while Analyst predicted 33 cents and $3.13 billion by Factset, respectively. Tyson Foods – The makers of Ballpark Frank and Jimmy Dean Sausages have collected 4% after third-quarter adjusted revenue of 91 cents per share exceeded 80 cents estimated by analysts surveyed by FactSet. Revenue of $13.88 billion also exceeded the expected $13.54 billion. In semiconductors, semiconductor manufacturers dropped 7% after issuing inactive third-quarter guidance of 54 cents to 64 cents per share. The lower limits of $1.465 billion to $1.565 billion were not below the consensus estimate of $1.5 billion. About revenue expectations for half of the second quarter and top earnings estimates. BRUKER – After lowering fiscal year revenue and revenue guidance, manufacturers of scientific instruments for molecular research fell by 4%. Bruker expects it to reach $1.95 to $2.05 per share, starting from the previous $2.40 and $2.48 per share. Bruker’s updated revenue guidance fell from $3.43 billion to $3.5 billion, below $3.55 billion from the previous $3.48 billion. BOEING – Commercial jet liner manufacturers slipped under 1% after 3,200 St. Louis area mechanics took a strike Monday. The strike began after workers, represented by the International Union of Mechanics and Aerospace Workers, rejecting Boeing’s latest labor proposal. Spotify – Shares rose 4% after Spotify said it would increase the price of premium individual subscriptions in several markets. TESLA – Electric vehicle stocks added 2% after Tesla’s board approved a compensation package for CEO Elon Musk, which consists of 96 million valuation shares totaling around $29 billion. – CNBC’s Michelle Fox, Alex Hurling, Yun Lee and Sarah Min contributed the report.