Check out the companies making headlines before the bell: Hertz â Shares of the rental car company soared nearly 16%, extending the gains seen in the previous session. On Wednesday, the stock skyrocketed more than 56% after Bill Ackman’s Pershing Square disclosed that it had taken a sizable stake in the name. UnitedHealth â The stock plunged more than 19% after the insurer’s first-quarter results missed analysts’ estimates. UnitedHealth reported adjusted earnings of $7.20 per share on revenue of $109.58 billion, below the $7.29 in earnings per share and $111.60 billion that analysts surveyed by LSEG were looking for. The company also slashed its full-year guidance . Eli Lilly â The pharmaceutical stock surged 11% after phase-three trial results for a pill to treat weight loss and diabetes showed positive results. Taiwan Semiconductor â U.S. shares jumped more than 3% after the chipmaker’s results for the first quarter topped Wall Street’s expectations. The company also maintained its 2025 revenue forecast, noting that it has not yet seen any changes in customer behavior despite there being “uncertainties and risks from the potential impact of tariff policies.” D.R. Horton â The homebuilding stock fell more than 3% on the heels of the company posting weaker-than-expected second-quarter results. D.R. Horton earned $2.58 per share, while analysts had expected earnings of $2.63 per share, according to LSEG. Revenue of $7.73 billion also missed the consensus estimate of $8.03 billion. Alcoa â Shares dropped more than 2% after the company’s revenue of $3.37 billion for the first quarter missed expectations, with analysts calling for $3.53 billion, per LSEG. Earnings, however, came in better than expected. â CNBC’s Jesse Pound contributed reporting.