While "the trend is your friend" when it comes to short-term investing or trading, timing entries into the trend is a key determinant of success. And increasing the odds of success by making sure the sustainability of a trend isn't easy.The trend often reverses before exiting the trade, leading to a short-term capital loss for investors. So, for a profitable trade, one should confirm factors such as sound fundamentals, positive earnings estimate revisions, etc. that could keep the momentum in the stock aliv ...