The NASDAQ-100 was very first calculated in January 31 of 1985 by NASDAQ and It's really a modified capitalization-weighted index. This index continues to be of fine reference to traders that need to know how the stock market place is accomplishing without having money services firms, this on condition that the index excludes financial organizations.
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Nasdaq was launched once the Securities and Trade Fee (SEC) urged NASD to automate the market for securities not outlined on an Trade. The end result was the primary electronic trading system. Nasdaq opened for business enterprise in 1971.