Volume is a great indicator that something is happening. As traders, we need buying and selling to ensure that our orders get filled so we can go about our business. We need good volume to ensure we can get in and out of a trade when we want. Low volume can be indicative of weak trends that lack follow through. Too high volume can also be dangerous depending on the volatility. Keep your eye on the volume when you trade so you can be aware of the tendencies of the bigger buyers and sellers. As sentiment about a stock changes throughout time so will the actions taken by traders. This is a great tool for successful trading. A savvy trader is always assessing the volume and its effects on a particular trend. Remember, keep your eye on the volume.