21.   During the last few days of the monthly trading account, traders bought and sold shares in order to compensate for the amount of money they owed.

22.   During the bull market, traders bought tech stocks and watched them go up.

23.   Even if traders do buy and sell shares electronically, it usually takes at least a week before the shares actually change hands.

24.   Even so, traders bought bonds on optimism that any selloff of Canadian debt will be gradual and limited.

25.   Even so, traders bought dollars on expectations that the Bank of Canada will move soon to narrow the gap between Canadian and U.S. official rates.

26.   Few day traders buy and sell New York Stock Exchange-listed shares.

27.   Futures contracts are promissory notes that traders buy when they want to lock in future prices.

28.   Gold, which traders buy as a hedge against inflation, fell Thursday after prices had been flat for three sessions.

29.   Futures contracts are promissory notes traders buy when they want to lock in future prices.

30.   If prices drop, traders buy back the futures, closing their positions, and pocket the difference in price.