Ukrainian iron ore pellet producer Ferrexpo was the best performed after it doubled revenue in 2010 as production hit a record, taking full advantage of strong demand and high prices. Heading the other way was Punch Taverns, after the decision to split itself in two yesterday.Oil explorer Soco International was higher after saying it remains on target for first oil from the Te Giac Trang field in Vietnam, but profits fell sharply in 2010 and no new reserves were added during the year.The market was underwhelmed by real estate investment trust Hansteen, which enjoyed a strong second half to 2010, as it moved comfortably back into profit. Pre-tax profit in 2010 was £33.2m, compared to a loss of £21.3m the year before.Rank extended gains from yesterday after it announced that it won yet another VAT claim against HM Revenue & Customs (HMRC), this time totalling £74.8m, covering overpaid VAT on games of bingo from 1973 to 1996.FTSE 250 - RisersFerrexpo (FXPO) 421.20p +4.65%Kenmare Resources (KMR) 42.28p +3.63%Redrow (RDW) 129.70p +3.26%Sports Direct International (SPD) 188.10p +3.01%Soco International (SIA) 371.70p +2.96%Barratt Developments (BDEV) 109.20p +2.73%St. Modwen Properties (SMP) 180.70p +2.67%Dignity (DTY) 708.00p +2.61%Taylor Wimpey (TW.) 41.96p +2.54%SVG Capital (SVI) 233.60p +2.46%FTSE 250 - FallersEnQuest (ENQ) 137.60p -12.52%Punch Taverns (PUB) 69.90p -7.11%Drax Group (DRX) 392.20p -4.27%Amlin (AML) 388.70p -4.14%Premier Oil (PMO) 1,911.00p -3.97%Mothercare (MTC) 466.50p -3.81%Ocado Group (OCDO) 206.50p -3.19%Heritage Oil (HOIL) 302.00p -2.99%AZ Electronic Materials SA (WI) (AZEM) 256.60p -2.91%Brewin Dolphin Holdings (BRW) 170.30p -2.91%