Demand for shares of Avenue Supermarts, which operates the supermarket chain D-Mart, is likely to spill over to the secondary market following the successful initial public offering (IPO) last week. Market players say the low free-float in the company would drive up the share price. D-Mart has issued fresh shares worth Rs 1,840 crore in its IPO. Of this, half would be owned by institutional investors, who are usually long-term investors. Also, some retail (small) investors too would like to stick to their investments given the growth potential. “Only shares worth around Rs 600-800 crore could be available for active