It is uncommon for a company to outperform expectations and plummet but very common for it to simply not react or dip slightly. Thus making it hard to make any

It is uncommon for a company to outperform expectations and plummet but very common for it to simply not react or dip slightly. Thus making it hard to make any serious money if you can predict outperformance However it is more common for a stock to tank if it misses expectations. If you can predict underperformance, you can make some serious bank.