The health care equipment sector received a shot in the arm from news that heart monitoring equipment supplier LiDCO is on track to deliver a maiden profit in the coming full year. The company said it has shown a strong sales performance during the six months ended 31 July and expects revenues to be significantly higher than in the first six months of 2008. It is also anticipated that revenues will remain higher than in 2008 for the full year. Scottish & Southern Energy is a stock treasured by income investors for its juicy dividend yield but it does mean that when the stock goes ex-div, as it did today, the shares take a bit of a knock.The shares were down 55p towards the end of the first day on which they traded without the right to receive the recently announced 46.2p final dividend/Top performing sectors so far todayHealth Care Equipment & Services 2,664.54 +1.61%Industrial Engineering 3,092.58 +1.34%Oil & Gas Producers 7,047.80 +0.92%Gas, Water & Multiutilities 3,462.41 +0.77%Food Producers & Processors 4,029.77 +0.64%Bottom performing sectors so far todayElectricity 6,139.43 -2.53%Automobiles & Parts 2,639.68 -1.91%General Financial 4,627.54 -1.55%Fixed Line Telecommunications 1,880.24 -1.54%Banks 4,727.20 -1.35%