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.
These are market averages designed to tell you how companies traded on the stock market are doing in general. The Dow Jones Industrial Average is simply the average value of 30 large, industrial stocks. Big companies like General Motors, Goodyear, IBM and Exxon are the kinds of companies that make up this index. See Dow Jones & Company for details on how the average is calculated.