Stock leadership shifts as bull market matures By: MarketWatch April 02, 2010 at 00:01 AM EDT As the U.S. stock market moves higher, some of its component parts are speeding up or slowing down substantially. Read More >> Related Stocks: DJ US Ishares ETF S&P Homebuilders SPDR S&P Oil & Gas Expl & Prod SPDR S&P Regional Banking ETF SPDR TECHNOLOGY US Home Construction Ishares ETF US Oil & Gas Explor & Prod Ishares ETF US Real Estate Ishares ETF US Regional Banks Ishares ETF US Technology Ishares ETF US Utilities Ishares ETF UTILITIES SEL