NIO is just starting out. Founded in 2014 by William Lee, it had already managed to create EP9, a supercar, by 2016, which beat the world record on Nürburgring Nordschleife in Germany. The first electric car, NIO ES8, was released in mid 2018, while six months later, NIO ES6 appeared.
Costco (NASDAQ: COST) includes large stores and warehouses with domestic appliances, consumer electronics, clothes, and books. Besides, Costco chain includes gas stations, tire shops, and other services. It is not only a food&beverages company. This is why, even though Food&Bev sector is doing good, this won't mean Costco will be prospering.