usually it is smart buy to go long after a MAJOR(high average volume) stock has an earnings report that causes the stock to make a big upward move the day of/after. These are the previous examples: RIMM, PLMO, GOOG.
I did well I had 40 strikes calls for next month. I sold when it moved near 41 areas Thursday. I wanted to hold but the news overseas made me feel uneasy.