A scare from Super Micro Computer sent the AI sector spiraling.Shares of Arm Holdings (ARM -17.95%) were taking a dive today, getting hit for the third day in a row on disappointing news on the artificial intelligence (AI) front.After ASML and Taiwan Semiconductor Manufacturing both fell on their earnings reports on Wednesday and Thursday, dragging down Arm and other AI stocks, today Super Micro Computer (SMCI -23.31%) shares plunged after one analyst observed that the company failed to pre-report revenue, ...