Mining firm Bumi leapt into the top spot, regaining heavy losses seen on Monday, as investor sentiment returned to more positive territory after its Chief Executive Officer resigned from the role following the launch of a probe into 'irregularities' at its Indoneisan business. Inmarsat rose after analysts at Jefferies Intl. hiked their price target to 660p from 550p before. Heading the other way was oil exploration outfit Cairn Energy has agreed to sell an 8.0% stake in Cairn India, equal to just over 152.6m shares, the firm has announced. The sale will generate proceeds of around $910m, after costs, which will be used to fund Cairn's ongoing capital requirements, which include the development of discovered resources in the North Sea as well as Cairn's wider exploration led growth strategy. FTSE 250 - RisersBumi (BUMI) 172.50p +16.87%Salamander Energy (SMDR) 207.20p +4.59%Inmarsat (ISAT) 603.50p +3.43%Renishaw (RSW) 1,641.00p +2.50%Unite Group (UTG) 252.00p +2.44%Workspace Group (WKP) 265.60p +1.96%Home Retail Group (HOME) 94.15p +1.95%UBM (UBM) 716.00p +1.92%Tullett Prebon (TLPR) 303.50p +1.81%FirstGroup (FGP) 254.30p +1.80%FTSE 250 - FallersKenmare Resources (KMR) 41.73p -2.95%IP Group (IPO) 125.10p -2.95%SIG (SHI) 101.70p -2.87%Cable & Wireless Communications (CWC) 37.06p -2.22%Pace (PIC) 164.80p -2.08%NMC Health (NMC) 186.40p -1.89%Ocado Group (OCDO) 63.80p -1.85%Barr (A.G.) (BAG) 451.60p -1.80%Soco International (SIA) 343.10p -1.72%Homeserve (HSV) 220.70p -1.69%NR