Digital sports media firm Perform Group was a high riser on Monday as it continues to recover following a sharp sell-off last week following a profit warning. The company's share price fell 57 per cent on Thursday alone after it said that earnings would be 'significantly below' previous forecasts.Analysts at UBS today slashed their target price for the stock but reiterated their 'buy' rating, saying that management guidance for 2014 has been "de-risked further". They said that forecasts are "finding a floor" after the ambitious guidance set out by Perform Group earlier this year.Healthcare outsourcing group Synergy Health impressed investors after winning a total of six new contracts in the Americas, adding £230m to its order book.RPC Group rose after acquiring personal care, healthcare and food packaging business Maynard & Harris (M&H) for £103.5m. Meanwhile, Carillion gained after achieving financial close on the £335m Royal Liverpool University Hospital project.Media and events company UBM declined despite saying said it expects full-year trading to be in line with expectations after fourth-quarter trading came in as anticipated.FTSE 250 - RisersPerform Group (PER) 235.00p +9.30%Synergy Health (SYR) 1,109.00p +7.36%Imagination Technologies Group (IMG) 179.70p +5.64%Ocado Group (OCDO) 430.70p +4.72%Kenmare Resources (KMR) 19.96p +4.34%Elementis (ELM) 261.80p +3.72%Entertainment One Limited (ETO) 253.80p +3.59%Cable & Wireless Communications (CWC) 48.86p +3.45%Carillion (CLLN) 312.50p +3.37%Bodycote (BOY) 630.50p +3.36%FTSE 250 - FallersUBM (UBM) 654.50p -3.04%Wood Group (John) (WG.) 704.50p -2.49%Close Brothers Group (CBG) 1,323.00p -2.36%Kentz Corporation Ltd. (KENZ) 607.50p -2.25%Spirent Communications (SPT) 98.10p -1.85%NMC Health (NMC) 437.00p -1.13%Fidelity China Special Situations (FCSS) 102.20p -0.97%Partnership Assurance Group (PA.) 272.00p -0.84%Diploma (DPLM) 711.50p -0.84%Telecity Group (TCY) 672.00p -0.81%BC