SEATTLE, WA--(Marketwire - December 27, 2010) - The U.S. broad-market Russell 3000® Index began the current decade with technology as the most heavily weighted sector, reflecting a weighting of 20.2% as of December 29, 2000. Technology has since dropped to second in terms of weighting, while financial services ranks first with a 17.3% weight as of December 27, 2010.