S&P 500 stock Axon Enterprise blew away fourth-quarter estimates after Tuesday's close and set a target for more than doubling sales over the next three years. Axon stock, which lost half its value amid worry over AI software disruption, led all S&P 500 stocks on Wednesday and was on track for another top 10 performance on Thursday. The maker of Tasers, body cameras, drones and software for law enforcement signaled confidence that it can keep deepening its relationship with law enforcement customers while seizing on its opportunity with enterprises.