If you bought the same number of shares with each trade, then you only need to calculate the average trade price. It's easy enough to do this. Here's how: Add up all the prices of the stock each ...

The average stock market return is about 10% per year for nearly the last century, as measured by the S&P 500 index. In some years, the market returns more than that, and in other years it returns ...

In this piece, we will investigate the average stock market return of different stock indexes over time. And we will scrutinize an oft-repeated phrase: "Past performance is no guarantee of future ...