Micron hit a $1T market value for the first time on Tuesday as shares jumped 19%, driven by demand for its memory chips in the AI race (Samantha Subin/CNBC)

Samantha Subin / CNBC: Micron hit a $1T market value for the first time on Tuesday as shares jumped 19%, driven by demand for its memory chips in the AI race — Micron topped a $1 trillion market value for the first time on Tuesday as shares popped 19%, driven by insatiable artificial intelligence demand for its memory chips.