US stocks slide on economic tremors from Europe
Eurozone cuts deficits but overall debt rises
Poor economy worsens Social Security's finances
Microsoft sells AOL patents on to Facebook
ConocoPhillips 1Q profit drops 3 pct
Hasbro posts 1Q loss, revenue declines
Nestle to buy Pfizer's infant-nutrition business
Kellogg's bleak outlook raises stakes on Pringles
Oil dips 2 percent on European concerns
American makes its case against union contracts
