Shares in William Hill are lower after the bookmaker said its joint venture with online gaming technology firm Playtech, William Hill Online (WHO), is 'making good progress during an extensive integration period and in difficult trading conditions'.Playtech was less sanguine, saying WHO 'is making encouraging progress after a slower than anticipated start to the year due to a prolonged integration period and difficult trading conditions.'Online gaming groups Partygaming and 888 Holdings also fall back.Gold miner Peter Hambro adds to the strong gains it posted yesterday when it posted a 'very pleasing' 54% hike in gold production.FTSE 250 - RisersSVG Capital (SVI) 119.00p +5.78%Peter Hambro Mining (POG) 656.00p +4.71%SThree (STHR) 192.50p +4.05%Mcbride (MCB) 151.25p +3.77%Goldman Sachs Dynamic Opportunities EUR Shares (GSDE) € 1.04 +3.48%Electra Private Equity (ELTA) 1,009.00p +3.28%Homeserve (HSV) 1,505.00p +3.22%DSG International (DSGI) 24.25p +3.19%Premier Oil (PMO) 1,217.00p +3.05%Fidelity Special Values (FSV) 463.50p +3.00%FTSE 250 - FallersWilliam Hill (WMH) 192.00p -4.12%Intermediate Capital Group (ICP) 197.75p -2.64%PartyGaming (PRTY) 240.50p -2.63%Enterprise Inns (ETI) 121.75p -2.60%BTG (BGC) 172.50p -1.99%888 Holdings (888) 92.00p -1.60%SIG (SHI) 107.75p -1.60%Hiscox (HSX) 302.50p -1.55%Forth Ports (FPT) 1,010.00p -1.46%Redrow (RDW) 188.75p -1.44%