B&W Edition - Staying the course is difficult even for the disciplined investor. Think about it When you buy a stock or mutual fund and don't trade in and out of a position, the bankers and brokerage firms don't make money on this long term approach. They make money from trading activity. How? When you sell or buy a stock (and in some case a mutual fund) the banks and brokerages get paid for the transaction. That's why on even a down day in the market; the bankers and Wall Street executives are clapping at the ringing of the closing bell. They are not clapping when the market closes because...