Check out the companies making headlines in premarket trading. C3.ai — The technology stock tumbled 19.2% after on weaker-than-expected subscription revenue during the company’s fiscal first quarter. C3.ai posted $73.5 million for the top line, while analysts polled by FactSet had penciled in $79.2 million. Verizon , Frontier Communications — Verizon announced it will purchase Frontier Communications in an all-cash deal valued at $20 billion, confirming earlier reports of the transaction. Frontier shares fell 9.7%, while Verizon’s stock advanced 1.2%. The deal is expected to close in the next 18 months. Tesla — The electric vehicle stock rose nearly 3% after the company said it would roll out its “Full Self Driving” driver assistance program in Europe and China in the first quarter of 2025. JetBlue — The airline gained 4.6% after raising its guidance for third-quarter revenue. JetBlue said to expect somewhere between a loss of 2.5% and a gain of 1% relative to the same period a year ago. Previously, the company had said to anticipate a decrease of between 5.5% and 1.5%. Topgolf Callaway — The golf company popped 4.1% after announcing it will split into two separate businesses. Callaway will focus on golf equipment and consumers having an active lifestyle, while Topgolf will key in on golf entertainment. Hewlett Packard Enterprise – Shares lost 3% even after the company’s fiscal third-quarter results beat estimates. Hewlett Packard Enterprise showed ongoing robust artificial intelligence demand but had a decline in gross margins from a year ago. Verint Systems — The automation stock slid 13.5% following a weaker-than-expected earnings report for the second quarter. Verint earned an adjusted 49 cents per share on $210 million in revenue, while analysts surveyed by LSEG had anticipated 53 cents and $213 million. ChargePoint — Shares of the electric vehicle charging company plunged nearly 8% after ChargePoint reported second-quarter revenue of $109 million while Wall Street was expecting $114 million, according to LSEG. The company also announced it would be cutting 15% of its workforce and guided for a fiscal third-quarter revenue much below analysts’ forecasts. XPO — The trucking company retreated by 5.4% after reporting that preliminary less-than-truckload tonnage was 4.6% lower in August compared with the same month a year prior. Management acknowledged soft demand. Copart — The digital car auction stock dropped 5.4% on disappointing fiscal fourth-quarter earnings. Copart earned 33 cents per share. Analysts expected a profit of 37 cents per share, per FactSet. Dick’s Sporting Goods — The sports retailer shed 2.7% in premarket trading, building on Wednesday’s decline of nearly 5%. Dick’s felt downward pressure from full-year earnings guidance, which didn’t come in ahead of Wall Street expectations despite a stronger-than-expected quarterly report. StoneCo — The financial technology stock pulled back by 8.3% on the heels of a Morgan Stanley downgrade to underweight from equal weight. The firm warned of a potential decline in the payments business as the market gets more saturated. Dollar Tree — Shares eased 1.3% after JPMorgan downgraded Dollar Tree to neutral from overweight, following the discount retailer’s weak second quarter results and guidance. On Wednesday, the day of its results, shares of Dollar Tree tumbled more than 22%. — CNBC’s Samantha Subin, Lisa Han and Sarah Min contributed reporting