Engineers are going well, with Weir leading the way. The company, which supplies products and services to the mining, oil & gas and power generation sectors, said trading for the nine weeks to 4 June has been stronger than expected, with order output for the 22-week period up 25%.It also confirmed it will acquire Kuala Lumpur based Linatex for £138m as it expands its global reach. Linatex, which provides wear-resistant products to the mining and sand industries, fits into its strategy of growing its global capability.Not all companies in the sector are performing well though. Sheffield based oil and gas equipment supplier Pressure Technologies falls back after it said it was on track to meet full year expectations despite a decline in half year profit.BP is dragging on the oil sector again. The oil disaster in the Gulf of Mexico has now cost it £1.1bn ($1.6bn) and the pressure on the oil giant is likely to intensify over the next few days as Barack Obama prepares to address the American people tomorrow.Top performing sectors so far todayIndustrial Engineering 4,792.18 +4.62%Automobiles & Parts 3,037.15 +3.10%Industrial Metals & Mining 5,351.16 +2.93%General Industrials 2,478.89 +2.33%Mining 21,052.15 +2.13%Bottom performing sectors so far todayOil & Gas Producers 6,791.75 -1.63%Alternative Energy 5,725.48 -1.15%Real Estate Investment & Services 1,343.96 -0.42%Food & Drug Retailers 4,468.22 -0.21%Insurance (non-life) 1,387.48 -0.04%