There should be certain volume of that particular stock to move the stock price. (money.stackexchange.com)
Instead they have only tested the 9 most regular consumer tablets that are sold in certain volumes in the UK. (tabletmonkeys.com)
Trading fees are set at 0.25 % for both sellers (makers) and buyers (takers) and are subject to variability if you reach certain volume thresholds. (captainaltcoin.com)