S&P 500 Has Tumbled 22 Percent in a Year – This is What You Need to Know

Less than a month after the S&P 500 temporarily slipped into bearish territory, the benchmark stock market index officially fell into a bear market at the closing bell on Monday.

Year-to-date, the S&P 500, comprised of Apple, Berkshire Hathaway, and Tesla Motors, has tumbled nearly 22 percent.