Check out the companies that make headlines in pre-market transactions. Delta Air Lines – After the airline revives its profit outlook for 2025, it moved nearly 12% ahead of the opening bell, with second quarter revenue and net income surpassing analyst estimates. Brazilian Stocks – Ishhales MSCI Brazilian ETF (EWZ) dropped the pre-market market by about 2% after President Donald Trump announced a 50% tariff on the Brazilian president. Stocks in oil giant Petrobras fell by more than 1%, while commercial and executive maker Embraer sank 6.5%. WK Kellogg – Breakfast food company won 30% after agreeing to a cash acquisition of $23 per share from Italian chocolate maker Ferrero, valued the Froot Loops maker at $3.1 billion. The deal was originally reported by the Wall Street Journal after the market closed on Wednesday. Advanced Micro Devices – Chipmakers moved nearly 2% higher following an upgrade to buy at HSBC. AMD said pricing that exceeds expectations for the latest AI chips could add significant profits to revenue. TREX – Building materials manufacturers rose more than 4% in light trading volumes after Baird’s upgrade from neutral to outperform. Investment banks say demand for deck contractors appears to be rising year-on-year. This should increase Trex, which fell by about 13% in 2025. ByrnaTechnologies popped 5% ahead of ByRNA Technologies’ second quarter results at 9am ET. Ross maintained the purchase rating of personal defense companies that have fewer deadly alternatives to firearms, saying he was not surprised at the release after ByRNA announced better sales in June. PTC – Software stock has pulled back over 3%. Shares rose more than 17% on Wednesday, following a report from Bloomberg. Autodesk is considering the possibility of a PTC acquisition, citing people familiar with the issue. Autodesk has dropped 3% before the market after dropping 2.4% on Wednesday. Helen – consumer product manufacturer of Troy Ltd. sank nearly 16% in the unfortunate second quarter guidance. Troy’s Helen, whose shares were cut in half in 2025, forecast earnings per share in the range of 45-60 cents, excluding one-off items, with analysts voted by FactSet looking for $1.14. Troy’s Helen forecasts revenues of between $408 million and $432 million against $470.2 million on the street. – Reported by CNBC’s Michelle Fox, Sarah Minh, Fred Invert and Jesse Pound.