Follow John on: It was an uneventful day for London's blue-chip stocks FTSE 100 up 8 points Government to introduce new quarantine rules for travellers from "red list" countries Airline stocks friendless 5.00pm: FTSE ends just above the flatline The FTSE 100 closed Tuesday up 8 points, 0.1%, to 6,531, while the FTSE 250 gained 26 points, 0.1%, to 21,113. "It has been a directionless trading session as the bullish mood that has been circulating recently has faded, hence why European equity benchmarks are mixed," CMC Markets UK analyst David Madden wrote Tuesday. "Volatility is low as there wasn’t much in the way of major macroeconomic news to trigger excitement in one direction or another."