See also: companies Dow Jones Stock Market Stock Exchange Dow Jones industrial average was up over 100 points Use your key for the next articleNext: 4th of July 2011: What's open and what's closed on Independence Day? March 28, 2014 10:53 AM MST Facebook Twitter Pinterest Linkedin Google Plus Comment Traders work on the floor of the New York Stock Exchange on March 28, 2014 in New York City. The Dow Jones industrial average was up over 100 points in afternoon trading. Photo by Spencer Platt/Getty Images View all 9 photos The stock market is up today. The Dow Jones opened at 16,267.77, and went to a high of 16,414.86 before noon. Photo by Spencer Platt/Getty Images American Express, Caterpillar, Microsoft and Johnson & Johnson are some of the companies that are up. Visa, Verizon, and AT&T are down.