The rarer the quarter, the more it’s worth. It’s the law of supply and demand—but with shinier pockets. Some are valuable because only a few thousand were ever minted. Others are worth big bucks ...

Duolingo ( DUOL 4.18%) operates the world's most popular digital language education platform. Its stock was trading at a ...

EssilorLuxottica reported strong acceleration in third-quarter revenue to 11.7% on the back of accelerated adoption of wearables (Ray-Ban Meta and Oakley Meta glasses). Shares were up almost 12%.

Researchers found that the median sale price across New York City reached a record $800,000, the highest total ever reported ...

Telefonica Deutschland confirmed its 2022 outlook for sales and operating income before depreciation and amortization (OIBDA) ...