
There are good days and bad days to report earnings. A poor report before or after a good day in the market may soften the blow of an investor's response. And a poor earnings report on a bad day may increase the damage inflicted on the issue.
That is the predicament QUALCOMM, Inc. (NASDAQ:QCOM) shareholders face Thursday. The price action following its fourth-quarter report makes Qualcomm the PreMarket Prep Stock of the Day.