When relative humidity is kept at about 50%, office workers have fewer respiratory problems (specifically in the winter) and generally feel better. Higher humidity makes the office feels stuffy.hen relative humidity is kept at about 50%, office workers have fewer respiratory problems (specifically in the winter) and generally feel better. Higher humidity makes the office feels stuffy.
The Dow Jones Company selects the average's stocks as the most representative companies of the different U.S. industrial sectors. Most of the Dow stocks are household names such as Coca-Cola, Walmart, AT&T;, Bank of America, Boeing, Exxon Mobil and UnitedHealth Group.
At that time, the Dow index contained 12 of the largest public companies in the U.S. Today, the Dow Jones Industrial Average (DJIA) contains 30 of the largest and most influential companies in the U.S. Before the digital age, calculating the price of a stock market index had to be kept as simple as possible.