Half of the S&P 500 is in a bear market By: MarketWatch January 12, 2016 at 14:23 PM EST As the S&P 500 slips in and out of a correction Tuesday, nearly half its components are down 20% or more from their 52-week high. Read More >> Related Stocks: AT&T Inc AbbVie Alphabet-C Altria Group Apple Chevron Corp Citigroup Coca-Cola Company Exxon Mobil Gilead Sciences Home Depot International Business Machines Johnson & Johnson Kraft Heinz Company Microsoft Oracle Corp PepsiCo Philip Morris International Standard & Poors 500 Visa Wal-Mart Stores, Inc.