S&P 500 cracks major resistance By: MarketWatch December 11, 2012 at 11:34 AM EST The Standard & Poor’s 500 Index has cracked major overhead with this week’s upturn. Read More >> Related Stocks: Celgene Corp Emrg Mkts Ishares MSCI ETF Mid Cap SPDR 400 Trust, Series 1 Quanta Services Russell 2000 Ishares ETF SPDR S&P 500 ETF Trust