GameStop Corp

• Retail investors close out one of their best years ever. How they beat Wall Street at their own game - Mom-and-pop investors bought the dip at key points, giving them outsized benefits from the market's run this year.
• Xbox is losing the console race by miles. It's part of Microsoft's big gaming pivot - Sales of Microsoft's Xbox Series S and Series X are even behind the original Nintendo Switch, which launched in 2017.
• Friday could be a wild day of trading on Wall Street. Here's why - December options expirations are typically the biggest of the year, but this one eclipses all prior records, Goldman said.