Good examples of the "gap 'n crap 'n recovery (chart of AGIL and SANM)" and the "Gap 'n Crap (chart of NETE) and the "earnings run (chart of JDSU). The beauty of the reversal play after earnings is simply if the report was actually very good there is a VERY GOOD CHANCE that the stock WILL RECOVER after enough folks have taken profits.
Always keep up a 3 day 5 or 15-minute chart because even a 5 or 15 minute buy or sell short set up will have more success if you view entry in that timeframe. (entries are quicker if the stock is already in strong uptrend, exhaustions can be predicted more clearly if its a multi-day move down)