One of the biggest indicators of how a stock is going to perform in the future is the volume of trades. When a stock surges in volume, that, at the very least, means some type of interest increase is happening, and that can often correlate with events that will positively impact the future price.
There are two ways one can predict stock price. One is by evaluation of the stock's intrinsic value. Second is by trying to guess stock's future PE and EPS.