The NASDAQ-100 was first calculated in January 31 of 1985 by NASDAQ and It's really a modified capitalization-weighted index. This index has become of good reference to buyers that need to know how the stock sector is executing with out economical services providers, this provided that the index excludes financial corporations.

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Nasdaq was introduced following the Securities and Exchange Commission (SEC) urged NASD to automate the market for securities not detailed on an exchange. The result was the primary electronic buying and selling technique. Nasdaq opened for organization in 1971.