European stocks ended three-day rally, as Standard & Poor's Ratings Services cut Greece's credit rating and traders took profits after three days of gains. The Stoxx Europe 600 Index tumbled 0.2 per cent to 268.01, after adding 0.8 per cent on Tuesday. Meanwhile, U.K.'s FTSE 100 Index dropped 0.4% to 5,818.38, Spanish IBEX 35 Index declined by 1.5% to 7,104.20; French CAC 40 Index erased 0.8% to 3,427.35, German DAX 30 index also followed the trend and tumbled 0.4 per cent to 6,941.19.