Sensor technology group Halma is among today's laggards, even after it saw increased revenue and profit in all three of its divisions in the 26 weeks to 2 October.Group revenue rose 12% to £249.1m from £222.1m at the interim stage last year. Organic revenue growth on a constant currency basis was 10%.Oil-related stocks are mixed today, with North Sea-focused oil producer EnQuest the top riser, but engineering services group Lamprell at the bottom of the pile.FTSE 250 - RisersEnQuest (ENQ) 138.70p +4.29%De La Rue (DLAR) 572.50p +3.62%Victrex (VCT) 1,232.00p +2.50%Rank Group (RNK) 130.00p +2.36%Jupiter Fund Management (JUP) 296.30p +2.17%SThree (STHR) 286.00p +2.14%Fidessa Group (FDSA) 1,464.00p +1.88%Renishaw (RSW) 1,135.00p +1.43%Croda International (CRDA) 1,453.00p +1.40%Kenmare Resources (KMR) 25.57p +1.39%FTSE 250 - FallersLamprell (LAM) 289.00p -5.56%Xchanging (XCH) 104.00p -4.50%Devro (DVO) 255.80p -3.94%Bellway (BWY) 519.50p -3.44%Dixons Retail (DXNS) 25.07p -3.17%Punch Taverns (PUB) 60.45p -2.97%Halma (HLMA) 319.40p -2.92%Capital & Counties Properties (CAPC) 144.90p -2.88%Yell Group (YELL) 11.90p -2.86%Brown (N.) Group (BWNG) 282.20p -2.82%