Following a smart recovery in world markets, the Sensex may open on a flat note. However, huge selling by FIIs in the derivatives segment yesterday is likely to weigh on the market sentiment.With just two days remaining for the expiry of November furtures and options, the market is likely to witness increased volatility in intra-day deals.The index is likely to find strong support around 13,500, only a break of this level could trigger further weakness in the market. On a intra-day basis, the index is likely to face resistance around 13,645-13,660-13,645 levels, while on the downside the index may find support around 13,560-13,545-13,530 levels.
