Check out the companies that made headlines before the bell. Wolfspeed – The semiconductor stock fell nearly 5% to underperform neutral to Mizuho. The firm sees prices of silicon carbide — a semiconductor material used in electric vehicles — falling by about 10% to 20% year over year through 2025. Mizuho cited lower EV production expectations for both the second half of this year and next year As another potential headwind for the company. Nvidia – Shares of the AI chip giant rose more than 1% after CEO Jensen Huang told CNBC's “Closing Bell: Overtime” on Wednesday that it was seeing “insane” demand for its next-generation AI graphics processor, known as Blackwell. The CEO also said that Blackwell, which is expected to ship in the fourth quarter, is on schedule. Himes & Hers Health — The telehealth company fell nearly 9% after the U.S. Food and Drug Administration cleared a shortage of GLP-1 treatment from Eli Lilly. Himes and Her Health previously developed compounded versions of weight-loss drugs to take advantage of shortages. EVgo — Shares rose more than 9% after JPMorgan upgraded the electric vehicle charging company to overweight Analyst Bill Peterson points to EVgo's usage rate compared to peers and its owner-operator model as catalysts. Levi Strauss – Shares fell 12% after the denim maker trimmed its full-year revenue guidance and delivered fiscal third-quarter revenue that missed analysts' expectations. The company is also considering selling its underperforming Dockers business. Constellation Brands – the beverage company – rose slightly on the back of better-than-expected fiscal second-quarter earnings. Constellation Brands earned $4.32 per share, beating the StreetAccount estimate of $4.08 per share. Revenue of $2.92 billion, however, slightly missed expectations. The company also reiterated its full-year earnings per share guidance. Stellantis — The automaker fell more than 3% in the premarket after Barclays downgraded it to equal weight from overweight. “We made the wrong move at STLA, too slow to acknowledge its US inventory issue and eroding EU/US market share,” wrote analyst Henning Kosmann. – CNBC's Brian Evans, Lisa Hahn, Jesse Pound and Sean Conlon contributed reporting
