Allot Communications (ALLT) shares ended the last trading session 8% higher at $9.21. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 4.6% loss over the past four weeks.The sharp rise in the stock price was fueled by optimistic investor sentiment, sparked by recent analyst upgrades, promising earnings potential, an expanding customer base, and the effective rollout of the company’s security solutions.This internet ...

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.Often, the direction of a stock's price movement reverses quickly after taking a position in it, making investors incur a short-term capital loss. So, it's important to ensure that there are enough factors -- such as sound fundamentals, positive earnings estimate revisions, ...

Momentum investing revolves around the idea of following a stock's recent trend in either direction. In the 'long' context, investors will be essentially be "buying high, but hoping to sell even higher." With this methodology, taking advantage of trends in a stock's price is key; once a stock establishes a course, it is more than likely to continue moving that way. The goal is that once a stock heads down a fixed path, it will lead to timely and profitable trades.While many investors like to look for moment ...