Duolingo started with its language learning course, but it has expanded to chess and math, and it will continue to expand to more subjects. Every new course it offers expands its revenue potential, ...

The worst-performing stock on this list is up 2,300% versus Nvidia's nearly 1,000% gain since its ChatGPT boost.

Macy’s Inc.’s stock soared in Wednesday after the retailer boosted its profit outlook and reported the first growth in comparable sales in about three years, signaling that efforts to turn the company ...