President Barack Obama’s $825 billion stimulus plan heads to the floor of the House of Representatives this week, with House Minority Leader John A. Boehner, R-Ohio, saying many in his party will vote against the package unless significant changes are made.

Existing Home Sales Down 3.1%; Chile’s 3Q GDP Beat Forecast; SunPower Finishes 18-Megawatt Plant; Cnooc Pushing to Develop More Oil Sites; Alpharma Gets Kinged; Xerox On Track; Oil Jumps 9%;

Welcome to the latest offshoot of the subprime-mortgage debacle: A burgeoning U.S. pension-fund crisis. Since the global financial crisis struck last fall, the largest 1,500 U.S. public companies have lost a combined $280 billion from their pension funds.