Balfour Beatty rose after broker Jefferies initiated its coverage with a target price of 406p and a 'buy' recommendation.Synthomer was also on the up following JP Morgan's decision to up its target price from 244p to 260p. Oil and gas company Enquest was back in the red; it this week revealed the realised average price per barrel of oil sold last year decreased 1.7% to $109.7 and said profit from operations before tax and net finance costs dropped 7.5% to $374.8m, hit by a sharp rise in costs. Man Group was also suffering, having earlier this week been downgraded by Citigroup from 'neutral' to 'sell'. 888 Holdings fell after Deutsche Bank today lowered its target price from 166p to 160p, retaining its 'hold' recommendation. On Wednesday the group posted a strong full-year performance which it said was highly cash generative.Hansteen Holdings, an investor in UK and continental European industrial property, fell after it said it has raised £47.1m through the issue of 44.83m shares, equal to 7% of its issued share capital. The placing came after it acquired a further £26m-worth of units in the Ashtenne Industrial Fund (AIF), taking its unit-holding to 36.7%. FTSE 250 - RisersXaar (XAR) 881.50p +5.95%Ocado Group (OCDO) 467.00p +4.57%Balfour Beatty (BBY) 297.70p +4.02%Just Retirement Group (JRG) 139.30p +3.49%Greencore Group (GNC) 275.20p +3.26%Bank of Georgia Holdings (BGEO) 2,475.00p +3.12%Imagination Technologies Group (IMG) 195.30p +2.79%Kier Group (KIE) 1,645.00p +2.43%Bovis Homes Group (BVS) 892.50p +2.35%Synthomer (SYNT) 284.90p +2.19%FTSE 250 - FallersPhoenix Group Holdings (DI) (PHNX) 651.50p -11.60%EnQuest (ENQ) 125.70p -3.38%888 Holdings (888) 147.50p -3.28%Man Group (EMG) 99.30p -2.55%Cairn Energy (CNE) 168.90p -2.54%Domino Printing Sciences (DNO) 767.00p -2.54%Spirent Communications (SPT) 99.50p -2.45%Foxtons Group (FOXT) 360.00p -2.36%Renishaw (RSW) 1,921.00p -2.29%Tullett Prebon (TLPR) 275.50p -2.20%NR