The iShares S&P 100 ETF (NYSEARCA: OEF ), launched on 10/23/2000 by BlackRock, Inc., and managed by BlackRock Fund Advisors, provides exposure to the largest 100 companies in the S&P 500 by tracking the S&P 100 Index using representativeI began learning about markets when I was 19. Today, my trading is informed by macro insights and technical indicators.When I'm neither working on my next article nor reading about macro and markets, I either run, cycle, or lift (probably thinking about macro and markets whi ...