Real estate stocks are going well after a cheery note on the sector from the broker Evolution Securities. British Land, Liberty International and Segro, all of which have been upgraded by Evolution, are posting good gains.The life insurance sector is in the red, with Aviva the heaviest faller. It said today that it is set to earn more than €1bn from its proposed spin-off of a large part of its Dutch financial services subsidiary, Delta Lloyd.Standard Life, which has announced that its finance director David Nish is to succeed Sir Sandy Crombie as chief executive, is also in the redTop performing sectors so far todayTechnology Hardware & Equipment 345.25 +2.48%Real Estate 2,091.06 +2.20%Personal Goods 9,959.32 +2.08%Food Producers & Processors 4,777.17 +1.90%Mining 19,380.60 +1.87%Bottom performing sectors so far todayLife Insurance 4,091.97 -0.54%Health Care Equipment & Services 2,936.38 -0.51%