Following a sharp fall on Sunday over the liquidity concerns, Dhaka stocks opened lower on Monday and sell-off continued during early trading.In the first 90 minutes DSEX, the broad-based index of the Dhaka Stock Exchange (DSE), fell by 0.14% to 6,247.Only 28 scrips managed to stay afloat, while prices of 128 declined and 97 remained unchanged.Leaving majority investors cautious in trading, turnover in the premier bourse stood at Tk133 crore till 11:30am.DSEX fell by 0.4% on Sunday amid international investors concerns regarding the liquidity of stocks in the Bangladesh market.Only 82 of 400 DSE scrips had spontaneous bidders during the closing bell on Sunday as 318 were stuck either on the floor price or at the narrowed down lower limit for daily price movement.The number of active scrips on Sunday was the lowest since the market started its recovery in the first week of January. Most trendy stocks which were in the portfolio of short-term investors suffered the biggest selloff and the downward momentum seemed to be eased a bit on Monday morning, said stockbrokers.