Nasdaq and Russell 2000 hit fresh highs as Micron surges 18%. The iShares Semiconductor ETF jumped 4.8%, pushing year-to-date gains past 80%.

May 26 : Micron Technology briefly topped $1 trillion in market value for the first time on Tuesday, crowning a dizzying rally that has cemented the U.S.'s largest memory…

U.S. stocks were higher, Nasdaq up 350 points. Micron stock rose on UBS's tripled price target. Other big gainers include BRAI, RDW, HTT, ATOM, TE, MOD, ORBS, YSS, ASTS, UMC, and…