Trading the S&P 500 and Nasdaq indices www.financial-spread-betting.com/indices/spread-betting-nasdaq-100.html Alastair McCaig from IG comments. If we look outside the Dow Jones we obviously look at indices like the S&P 500 and the Nasdaq 100. The S&P 500 being made of 500 different companies does give a broader picture of the economy. The Nasdaq on the other hand is mainly a technology driven index and Apple plays a big part of the index
