Why Coursera Stock Plummeted Today

Coursera significantly outperformed Wall Street's Q3 targets and raised its full-year sales guidance. So why did the stock sink?Coursera (COUR 13.07%) stock saw big sell-offs in Friday's trading despite a bullish backdrop for the broader market. The education-services company's share price fell 12.9% in a daily session that saw the S&P 500 (SNPINDEX: ^GSPC) rise 0.8% and the Nasdaq Composite (NASDAQINDEX: ^IXIC) jump 1.1%.Coursera published its third-quarter results after the market closed yesterday, and ac ...