Micron's blowout earnings just reset the AI memory trade $Micron Technology(MU)$ The AI memory scare ran straight into Micron's profit machine on Wednesday, sending its stock soaring. Micron (MU) and SK Hynix (000660.KS) had been two of the cleanest ways to trade the AI memory boom this year, both crushing the broader chip index before this week's sell-off. But on Tuesday, the Philadelphia Semiconductor Index (^SOX) had its second-worst day of the past year, while Micron had its worst day since the depths of the "Liberation Day" sell-off in April 2025. Then Micron answered. The company posted record revenue, record gross margin, and record earnings for Q3, then said it has signed 16 strategic customer agreements designed to lock in supply