An investor can find and research the best stock on the market, one with huge potential but if the general market indices are negative, it will most likely be the wrong time to buy. A stock with tremendous accelerating earnings, rising sales, an up-trending chart pattern and a strong industry group may sound excellent to buy but will mean absolutely nothing if the market is positioned to move in the opposite direction of your expectations. As soon as a stock is purchased, the time comes for an investor to make a decision to hold or to sell. If the position shows a profit, hold as your judgment is correct. If the position shows a loss, cut it quickly and don