Top Trending Tickers On StockTwits For February 21

Here's a look at the top tickers trending on StockTwits.com Groupon: Margins under pressure, investors not impressed Last night, Groupon (NASDAQ: GRPN ) reported its fourth quarter results. The company announced an EPS of $0.04, beating the consensus estimate of $0.02. Revenue of $768.4 million beat the consensus estimate of $178.04.