The new limits, effective tomorrow, will ensure stock prices do not fluctuate beyond a prescribed level during a session.
According to a BSE circular, a circuit limit of 10 per cent has been set for Bansal Roofing Products, Riga Sugar Company and Conart Engineers.
Besides, the exchange has set a circuit limit of 5 per cent for Macro International Exports, STI India and Emgee Cables & Communications.
Circuit filter mechanism is used by BSE to keep in check excessive volatility in a scrip. It is the maximum fluctuation that is allowed in a stock in a day.