FTSE 100 slips from best levels while Wall Street expected to open virtually flat Companies FTSE 100 slips from best levels while Wall Street expected to open virtually flat The UK blue-chip index in positive territory while US markets set for muted start ahead of Federal Reserve's Beige Book of economic conditions FTSE 100 adds 11 points Dow forecast to start unchanged Wizz Air loses altitude 12.42pm: US markets seek direction After a fairly uneventful close on Wall Street on Tuesday, things do not look to have changed much, with the opening calls looking far from dramatic. The Dow Jones Industrial Average is forecast to edge up 22 points or 0.1%, while the S&P 500 and Nasdaq Composite are also expected to be virtually unchanged.