$S&P 500(.SPX)$ opened higher on Micron’s explosive earnings report, but quickly gave back some gains, as investors remain cautious ahead of the Bank of Japan’s rate decision on Friday. $Micron Technology(MU)$ itself jumped as much as 16% at the open before settling around +13%. Regardless, Micron was clearly the standout performer of the session.Micron delivered a clean beat: revenue, profits, cash flow, and profitability all exceeded expectations.EPS: $4.78; Revenue: $13.64B, up 57% year-over-year. Q2 outlook: EPS: $8.42; Revenue: $18.7B — record highsGrowth driven by AI-led demand for memory and storageNet income came in at $5.48B, up 58% quarter-over-quarter and 135% year-over-year.Gross margin surg