Stock index futures were sharply higher on Thursday, with Nasdaq futures leading the pack, boosted by strong earnings and outlook from Micron (MU), while traders awaited Federal Reserve Chair Jerome Powell's speech.

Wall Street's main indexes were set to open higher on Thursday as Micron's upbeat forecast revived the frenzy around artificial intelligence, while investors assessed a labor market report and awaited comments from Federal Reserve Chair Jerome Powell.

Micron Technology jumped 15.8% in premarket trading after the memory chip maker forecast higher than expected first-quarter revenue, underscoring that demand for memory chips used in AI computing was robust.

Wall Street's main indexes opened higher on Thursday, with the benchmark S&P 500 at a record high, as Micron's upbeat forecast revived the frenzy around artificial intelligence, while