Nov 27 (Reuters) - Top Canadian banks are expected to post a decline in fourth-quarter profits as choppy markets hurt wealth management and a slow deal pipeline dents income from investment banking, offsetting expected gains from business loans. On average, profit for the Big Six banks are expected to drop 4% from last year, hurt by lower investment banking activity. Royal Bank of Canada (RY.TO) and Bank of Montreal (BMO.TO), which have the largest capital markets businesses, are expected to see the biggest hit to profits. "Business lending was particularly strong and aided by strength in balances outside of Canada," KBW analysts Mike Rizvanovic and Abhilash Shashidharan said. National Bank of Canada (NA.TO) and Toronto-Dominion Bank (TD.TO), also among the Big Six, will report earnings on Wednesday and Friday, respectively.

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