Earnings beats all estimates, but stock still dropped 25 percent??

I'm wondering if any could explain why I have been losing so much money lately! I have been trading for a year and half now, my style is a momentum trader. The latest big lost was a stock I own earnings just came out yesterday which blew away all analyst estimates tanked the past 2 days 25%. I usually don't hold during earnings season, but I took a gamble, and paid for it. After doing some digging I noticed there was selling by eight insider trading 2 day before the earnings came out. Does anyone any thoughts on this nonsense??????