The NASDAQ-100 was initially calculated in January 31 of 1985 by NASDAQ and This is a modified capitalization-weighted index. This index is of good reference to buyers that want to know how the inventory current market is executing with out economical companies businesses, this on condition that the index excludes fiscal businesses.
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Nasdaq was released once the Securities and Trade Fee (SEC) urged NASD to automate the marketplace for securities not listed on an Trade. The end result was the first electronic trading system. Nasdaq opened for company in 1971.