CrowdStrike (CRWD) stock jumped on Thursday amid second-quarter earnings and revenue that topped consensus estimates while the cybersecurity firm's October quarter guidance came in above expectations. The Sunnyvale, Calif.-based cybersecurity firm reported July-ended quarterly earnings after the market close on Wednesday. CrowdStrike earnings climbed 35% to 31 cents per share on an adjusted basis. Revenue, including acquisitions, rose 26% to…