Stocks making the biggest moves midday: Alcoa, Nio, Williams-Sonoma, Chefs' Warehouse and more

cnbc.com:

Check out the companies making headlines in midday trading.

Alcoa — Shares of the aluminum stock slipped 5% after the company said executive vice president William Oplinger would succeed Roy Harvey as CEO and president. Oplinger also joined Alcoa's board of directors, the company added.

Nio — The Chinese electric vehicle company's U.S.-traded shares dipped about 1%. The stock pared earlier losses, incurred after the firm denied media reports that Nio is considering raising as much as $3 billion in capital from investors. Nio said it currently has no reportable capital raising activity.

Li Auto — U.S.-traded shares of the Chinese EV company dropped 9% following news that Huawei made moves in the increasingly competitive space. The telecommunications giant teased two new electric cars — its first sedan and a high-end SUV — at its launch event Monday.  Huawei partners with an auto manufacturer to sell cars under the Aito brand.

GE HealthCare Technologies — Shares of the medical technology gained 3%. On Friday, GE HealthCare announced a cash dividend of 3 cents per share for the third quarter. The dividend will be payable Nov. 15 to shareholders of record as of Oct. 20.

Williams-Sonoma — Shares of the home goods company jumped 9% after Green Equity Investors, an arm of investment firm Leonard Green and Partners, revealed a 5% stake in Williams-Sonoma. The securities filing disclosing the position indicated that this is a passive investment.

Dow Inc. — Shares added about 2% after JPMorgan upgraded the petrochemicals company to overweight from neutral, citing potential upside from higher oil prices.

Opendoor Technologies — The real estate company slipped nearly 6% after Citi cut its target price to $2.70 per share from $3.90.