ottawacanadian retail sales rose in august led by strong gains in receipts at grocery stores gas stations and clothing outlets retail sales jumped 21 in august to a seasonallyadjusted 5721 billion canadian dollars or the equivalent of us4626 billion statistics canada said friday market expectations were for a 2 advance according to economists at desjardins securities in the previous month retail sales fell by a revised 01 or not as steep as previously estimated in volume or priceadjusted terms retail sales climbed 14 in august statistics canada added that its early indicators for retail sales in september suggest a decline of 19 although this could be revised