Following are lists of January's best and worst-performing stocks in the S&P 500 SPX. And further down is a close look at performance and valuations for the index and its 11 sectors. All investment ...

Should you invest in the hottest tech stocks? Investing in individual stocks can be tough. You need to understand the business and the industry, and know where they’re heading.

Social Security plays a big role in many Americans’ retirement security. In fact, 40% of Americans ages 65 and older rely on Social Security for at least half their income, according to the AARP ...