Looking back on online marketplace stocks’ Q3 earnings, we examine this quarter’s best and worst performers, including eBay (NASDAQ:EBAY) and its peers. Marketplaces have existed for centuries.

Despite outperforming the S&P year-to-date, eBay Inc.'s stock shows caution signals, with a mixed experience from a top-rated seller and declining GMV since 2021. eBay's GMV surged during COVID-19 ...