Market orders are to be executed as soon as possible after reaching the exchange floor. Limit orders must specify a price and a time limit, e.g. \Buy 500 at $90, good till canceled.\ A stop order differs from a limit order in that the order is only executed if the specified price, called the stop price, is touched. Stop orders become market orders when the stop price is reached
To consume, to save, or to invest a dollar that is earned Both saving and investing amount to consumption shifting through time However, saving involves little, if any, risk, while investing is a risky endeavor