"NVIDIA Corp. (Nasdaq:NVDA - News) is set to report its fourth-quarter results after the bell on Tuesday, and analysts polled by Thomson Financial are expecting the company to report a loss of ten cents per share on revenue of $487.2 million. Shares of NVDIA recently saw a huge surge in short interest, according to Nasdaq. The exchange said short interest rose 67% January 15 compared with December 31 in the stock. So, investors are betting shares will see a steep decline in the coming weeks.
Nvidia slightly favors a narrowing pattern between its after-hours move and the next day session following an evening earnings event. However, in the near-term performance, the stock is showing a tendency to widen its move, doing so in three out of the past four quarters. On November 6, the stock rallied 13.5% in extended hours after the company's third-quarter results beat the Street. The stock widened its gain in the following regular session, ending up 14.4%." http://finance.yahoo.com/news/Investors-Are-Betting-Against-tm-14281423.html