$273,800.FTSE 6169.1 -38.3 LONDON -- The much-awaited flotation of Internet service provider Freeserve Plc provided an epicentre of activity on Monday, in an otherwise lacklustre UK equity market depressed by ongoing concerns that US interest rates were heading higher. The FTSE 100 closed at 6169.1 points, down 38.3 or 0.62 percent.