Check out the companies making the biggest moves in premarket trading: Super Micro Computer — Shares tumbled 12% after the company announced it plans to raise $7 billion in equity-related deals to help cover the costs of hardware component purchases. Cracker Barrel — The Southern country-themed restaurant chain jumped nearly 11% after raising its full-year revenue and adjusted EBITDA guidance. Cracker Barrel also reported 29 cents per share on $797.4 million in revenue for its fiscal third quarter, topping expectations. Analysts polled by FactSet had expected a loss of 48 cents per share and revenue of $776.7 million. Nike — The footwear and apparel company slipped nearly 2%. RBC downgraded the stock to sector perform from outperform, saying Nike's turnaround is "slower and narrower than we were anticipating." Cava — The fast-casual restaurant chain was upgraded at UBS to buy from hold on its "compelling growth story." The stock climbed 1%. Chip stocks — Semiconductor companies continued their slide, with shares of Micron Technology dropping nearly 5%, Advanced Micro Devices falling roughly 4% and Broadcom shedding 3%. Gold miners — Shares of gold miners fell alongside gold futures for August, which dropped 2%. Anglogold Ashanti tumbled nearly 7%, while Harmony Gold Mining and Gold Fields both lost roughly 6%. Helca Mining shed 3.5%. Chewy — The pet retailer climbed 4% after its first-quarter results were better than anticipated. Chewy's adjusted earnings before interest, taxes, depreciation, and amortization came in at $253.1 million, versus the $241.6 million expected from analysts polled by FactSet. Revenue was $3.36 billion, slightly above the $3.35 billion consensus estimate. Oracle — The maker of database management systems slipped 3.3% ahead of its quarterly earnings report, due after the close. — CNBC's Lisa Kailai Han and Jordan Novet contributed reporting
<small>Source: CNBC</small>
