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.
The following are popular indexes, each measuring a different segment of the market: Dow Jones Industrial Average-This is the oldest and most well-known stock market index, made up of 30 actively traded blue-chip stocks. The Dow tends to be used as an indicator of market trends, rather than as an index against which to measure performance. Standard & Poorâs 500-Stock Index (S&P 500) - measures the performance of 500 widely held common stocks of large-cap U.S. companies.