Footsie is expected to slip back towards the 5,800 point mark in early dealings, continuing its uncertain performance this week.The Office of Fair Trading has fined Imperial Tobacco £112.3m after a seven-year investigation into alleged price fixing.Fund manager Hargreaves Lansdown said it has had its best quarter ever with 'unprecedented' business volumes. Total assets under administration have grown by 12.8% from £15.6bn as at 31 December 2009 to £17.6bn as at 31 March 2010.Engineering data and IT systems provider Aveva said its full year results will be marginally ahead of market expectations. The company said that the trends outlined in its late January interim management statement have continued, with progress made in the Oil & Gas and Power markets, although the Marine market remains in the doldrums.Property company British Land has bought 2 - 14 Baker Street in London from McAleer & Rushe. British Land is paying £29m for the 1950's built property which sits on the corner of Baker Street and Portman Square.Temporary power and heating specialist Aggreko said it performed in line with expectations in the first quarter of the year, with healthy revenue rises from both its divisions.