U.S. stock index futures edged lower on Friday, taking a pause from the previous session's rally that set Wall Street's main indexes on track for weekly gains after the Federal Reserve took a pivotal stance on monetary policy earlier in the week.

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

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,