FTSE 250 movers: Wetherspoon falls after update

Shares in JD Wetherspoon have lost fizz after the budget pub chain scaled back its expansion plans after a deterioration in trading since the beginning of the year.Fellow pub group Punch Taverns is also suffering. Commodity stocks are suffering from jitters over the state of the global economy as the crisis in Greece intensifies. Diamond miner Gem Diamonds and iron ore group Ferrexpo are under the cosh.Shares in CSR are higher after the chipmaker posted a 114.6% rise in revenues over the first quarter, helped by continuing strong demand for technologies used in smartphones, digital cameras and other must-have gadgets.FTSE 250 - RisersGame Group (GMG) 93.70p +4.69%CSR (CSR) 438.70p +4.45%Renishaw (RSW) 677.50p +3.28%Dunelm Group (DNLM) 388.30p +2.24%Amlin (AML) 379.70p +1.96%Domino's Pizza UK & IRL (DOM) 344.10p +1.27%DS Smith (SMDS) 131.30p +1.00%Mcbride (MCB) 186.40p +0.92%Atkins (WS) (ATK) 700.00p +0.86%Redrow (RDW) 146.20p +0.83%FTSE 250 - FallersJD Wetherspoon (JDW) 494.50p -9.02%Gem Diamonds (GEMD) 255.20p -8.86%Ferrexpo (FXPO) 292.00p -8.69%888 Holdings (888) 70.05p -7.83%DSG International (DSGI) 29.78p -6.06%Mitchells & Butlers (MAB) 307.30p -5.74%Laird (LRD) 122.90p -5.10%Hochschild Mining (HOC) 229.80p -5.04%Yell Group (YELL) 50.95p -5.03%Kesa Electricals (KESA) 116.30p -4.98% Wetherspoon (J.D) Gem Diamonds Di Ferrexpo