The Dow Jones Industrial Average, a price-weighted stock market index tracking 30 large companies listed on U.S. exchanges, turned 130 years old on May 26. Currently, there are no Illinois based companies listed on the Index. However, there have been some notables over the years. Kraft Foods Most Americans grew up recognizing the iconic blue-boxedContinue reading “The Dow turned 130 years old. Here are some Illinois based companies formally part of the Index”