Facebook Inc.'s stock rallied to an all-time high on Friday, propelling the social network's market valuation into the top 10 among all S&P 500 companies. The stock FB, +1.27% climbed 7.4% on the week, its biggest weekly gain in eight months. That boosted Facebook's market capitalization by $16.1 billion to $231.6 billion, according to FactSet, passing blue-chip bank J.P. Morgan Chase & Co. JPM, +0.90% , at $228.2 billion, in the process. Next up: General Electric & Co. GE, +0.28% GE, +0.28% , at $255 billion. The following is a table of the top 10 companies by market cap in the S&P 500 SPX, +0.90% the benchmark index that comprises 500 of the biggest U.S. companies: 10 largest S&P 500 companies by market capitalization Company (ticker) Market cap (billions) Apple Inc.* (AAPL) $742.6 Google Inc. (GOOGL) $381.7 Berkshire Hathaway Inc. (BRK.B) $357.6 Exxon Mobil Corp.* (XOM) $354.1 Microsoft Corp.* (MSFT) $346.9 Wells Fargo & Co. (WFC) $285.6 Johnson & Johnson* (JNJ) $282.8 Wal-Mart Stores Inc.* (WMT) $262.8 General Electric* (GE) $255 Facebook Inc. (FB) $231.6 *Dow Jones Industrial Average components Source: FactSet The 10 companies with market caps just below Facebook's includes six current Dow Jones Industrial Average DJIA, +0.94% components and one former Dow member. The 11th through 20th largest S&P 500 companies by market capitalization Company (ticker) Market cap (billions) J.P. Morgan Chase & Co.* (JPM) $228.2 Procter & Gamble Co.* (PG) $225.2 Pfizer Inc.* (PFE) $209.7 Verizon Communications* (VZ) $204.9 Chevron Corp.* (CVX) $196.9 Oracle Corp. (ORCL) $193.9 Walt Disney Co.* (DIS) $182.5 Coca-Cola Co.* (KO) $174.8 Amazon.com Inc. (AMZN) $173.3 AT&T Inc.** (T) $172.3 *Dow industrial component **Removed from Dow industrials March 18 Source: FactSet Facebook's market cap now stands above those of 24 of the 30 components of the DJIA. Source: MarketWatch
