List of Articles number of trades Open Access Article Abstract Page Full-Text 1 - Effect of High-frequent trading (HFT) of Stock liquidation Mona Askari ferydoon Rahnamay Roodposhti M. Ali Abdolvand Open Access Article Abstract Page Full-Text 2 - The relationship between the amount of free float and liquidity of shares in Companies listed on the Tehran Stock Exchange Mohammadreza Monjazeb Sajjad jalali