Despite buyers, there was no seller of shares of three companies listed in the stock market on Thursday.Till 12:30 pm, no sellers could be found for the companies shares, according to the Dhaka stock exchange.The companies are Zeal Bangla Sugar Mills, Shyampur Sugar Mills, and Bangladesh General Insurance Company Ltd.State-owned company Zeal Bangla Sugar Mills share price increased by 10% to Tk137.50 till 12:30 pm. around 4,000 shares were traded during the period which amounted to Tk5 lakh.Another state-owned company Shyampur Sugar Mills share price increased by 9.98% to Tk69.40 before halting its shares. And 33,000 shares were traded during the period and amounted to Tk22 lakh.Bangladesh General Insurance Company soared 9.83% to Tk59.20 before halting trading. And 62 thousand shares were traded during the period and totalling Tk37 lakh.