US Federal Reserve extends lending programs to the end of the year.
Wall Street's main indexes opened the second day of the week modestly lower amid cautious market mood.
Reflecting the risk-averse environment, the CBOE Volatility Index (VIX), Wall Street's fear gauge, is up 3% on the day.
As of writing, the S 500 was down 0.22% on the day at 3,231, the Dow Jones Industrial Average was losing 0.4% at 26,480 and the Nasdaq Composite was falling 0.43% at 10,491.
Among the 11 major S 500 sectors, the risk-sensitive Technology Index is down0.6% on the day.