Wall Street romped to records as a delayed jubilation swept markets worldwide following the Federal Reserve’s big cut to interest rates.

It's been quite the year for artificial intelligence (AI) chipmaker Nvidia ( NVDA 4.57%), which has seen its stock rise more than 161% year to date. Over the last five years, Nvidia's stock is up by more than an astounding 2,560%.

The Federal Reserve's closely followed overnight reverse-repo facility already has begun to reflect Wednesday's big interest-rate cut. Wall Street firms rushed to park extra cash overnight at the facility in the wake of the pandemic,