Hmmm...I wonder why S&P 1500 was the benchmark? It's kind of an atypical bracket for S&P companies to compare. Why not the more common 500, 1000 or 2000? Is it

Hmmm...I wonder why S&P 1500 was the benchmark? It's kind of an atypical bracket for S&P companies to compare. Why not the more common 500, 1000 or 2000? Is it because the statistics come out in M$ favor when only looking at the 1500 bracket rather than 500 or 2000? Hmm...