The real estate sector is today's hot property after Capital Shopping Centres Group, the shopping centre arm of what used to be Liberty International, put pen to paper to purchase Manchester's Trafford Centre in a deal worth £1.6bn.The purchase sent the shares sharply higher and other property groups are up in sympathy. Hammerson and Great Portland Estates, which also have strong exposure to the retail sector, are going well too.The oil & gas is sector is lower though Bowleven is bucking the trend. Shares in the West Africa-focused oil explorer soared to another 52-week high as it announced another promising result from test drilling.Top performing sectors so far todayReal Estate Investment Trusts 1,908.31 +3.34%Forestry & Paper 5,258.58 +2.54%Real Estate Investment & Services 1,467.21 +2.13%Industrial Transportation 2,305.85 +1.22%Industrial Metals & Mining 7,505.61 +1.14%Bottom performing sectors so far todayHealth Care Equipment & Services 3,297.41 -0.77%Alternative Energy 3,475.24 -0.57%Automobiles & Parts 4,493.76 -0.47%Gas, Water & Multiutilities 4,538.11 -0.46%Oil & Gas Producers 7,664.22 -0.34%