A stock trading fee is the fee charged by the brokerage firm for executing a stock trade
Transaction costs are important to investors because they are one of the key determinants of net returns. Transaction costs diminish returns, and over time, high transaction costs can mean thousands of dollars lost from not just the costs themselves but because the costs reduce the amount of capital available to invest. Different asset classes have different ranges of standard transaction costs and fees. All else being equal, investors should select assets whose costs are at the low end of the range for their type.