By Bret Kenwell CrowdStrike stock is rallying after a strong earnings report and outlook. Here’s the key level it must clear to continue higher. The stock market is a sea of red on Thursday, but investors can find some pockets of strength, particularly in tech. Amazon (AMZN) – Get Amazon.com, Inc. Report stock is rallying after a 20-for-1 stock split and a $10 billion buyback (here’s the trade setup on that one). And CrowdStrike (CRWD) – Get CrowdStrike Holdings, Inc. Class A Report is rallying 14% after the cybersecurity company reported better-than-expected results. The company delivered a t…