The bidding for the issue shall conclude on Thursday, December 21. Stocks in F&O ban list As many as seven stocks have been put under the F&O segment ban by the National Stock Exchange (NSE) for Tuesday, December 19. New entrants- National Aluminium Company (Nalco)- have joined the rententions like Balrampur Chini Mills, Hindustan Copper, Steel Authority of India (SAIL), India Cements, Manappuram Finance and Zee Entertainment Enterprises (ZEEL). Companies where derivative contracts cross 95 per cent of the market-wide position limit are put under ban in the F&O segment. FPIs sell shares worth Rs 34 crore Provisional data available with NSE suggest that FPIs were net sellers of domestic stocks to the tune of 33.51 crore on Monday. On the other hand, domestic institutional investors (DIIs) turned net buyers of Indian equities to the tune of Rs 413.88 crore.