The Federal Reserve cut rates by half a percentage point. But the market's reaction only raised more questions. Stocks initially rallied. But by the close, major indexes were slightly lower for the day.

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

U.S. stocks drifted around their all-time highs, as a record-setting week for Wall Street closed on a quieter note.