United States Air Force Combat Control Teams, singular Combat Controller (CCT) (AFSC 1C2X1), are American special operations forces (specifically known as special tactics operators) who specialize in all aspects of air-ground communication, including air traffic control, fire support (including fixed and rotary wing close air support), and command ...
The modern stock market got its start in Europe in the late 1700s when formal stock exchanges began to appear. Although small scale trading wasn't new, there was no organized stock market in the United States until the early 1790s.
The Dow Jones Utility Average is a price-weighted index -- an index whereby which each company is weighted in proportion to their price per share (as opposed to market capitalization for example). The Dow Jones Utility Average began with 18 stocks in January 1929 and was then increased to 20 stocks on July 1, 1929. Then on June 2, 1938, the number of components was cut to 15 and has remained at that level to this day. The following table lists the 15 companies which make up the Dow Jones Utilities Average.