If you're interested in broad exposure to the Mid Cap Blend segment of the US equity market, look no further than the SPDR S&P MidCap 400 ETF (MDY) , a passively managed exchange traded fund launched on May 4, 1995. The fund is sponsored by State Street Investment Management. It has amassed assets over $23.09 billion, making it one of the larger ETFs attempting to match the Mid Cap Blend segment of the US equity market. Why Mid Cap Blend Mid cap companies, with market capitalization in the range of$2 billi ...