The following stocks are the leading risers and fallers on AIM in London on Thursday.———-AIM – WINNERS———-Marks Electrical Group PLC, up 5.2% at 71.55 pence, 12-month range 68.00p-128.00p. The electrical products retailer makes a strong start to its current financial year, with revenue growth in spite of a challenging market backdrop. For the four months ended June 31, group revenue rose 14% to £27.7 million from £24.3 million the same period a year before. Marks Electrical said it grew its market share in Major Domestic Appliances year-on-year to 3.