Europe\'s main stock markets declined at the start of trading on Wednesday, with London\'s benchmark FTSE 100 index of top companies down 0.29 percent at 5,782.77 points. Elsewhere, Frankfurt\'s DAX 30 index dipped 0.20 percent to 7,317.49 points and in Paris the CAC 40 reversed 0.38 percent to 3,488.75.