The NASDAQ-one hundred was initial calculated in January 31 of 1985 by NASDAQ and it is a modified capitalization-weighted index. This index has long been of fine reference to investors that need to know how the stock market is accomplishing devoid of economic services corporations, this provided that the index excludes economical firms.

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Nasdaq was launched after the Securities and Exchange Fee (SEC) urged NASD to automate the market for securities not listed on an exchange. The result was the primary electronic trading technique. Nasdaq opened for company in 1971.