And unusual changes in volume help point investors to potential changes in price direction. But first, let’s take a step back and explain ... stocks rising in heavy, above-average volume ...

But if the index is below this average ... of thousands of stocks. And on any given day, investors are actively buying and selling them. This measure looks at the amount, or volume, of shares ...

Ocular Therapeutix, Inc. (NASDAQ:OCUL – Get Free Report) shares passed below its 200-day moving average during trading on Monday . The stock has a 200-day moving average of $9.03 and traded as low as ...