U.S. stocks slide on Greece, Spain concerns

SAN FRANCISCO (MarketWatch)
U.S. stocks extended their slide into a second session Monday, with blue-chips suffering their first back-to-back triple-digit loss since April, as concerns about Greece and Spain debt spiked
The Dow Jones Industrial Average lost 101.11 points, or 0.8%, to 12,721.46, led by a 2.9% retreat in McDonald's Corp. shares
The S&P 500 lost 12.14 points, or 0.9%, to 1,350.52
All 10 sectors were lower, dragged by natural-resource stocks
The Nasdaq Composite fell 35.15 points, or 1.2%, to 2,890.15
Heavyweight Microsoft Corp. fell 2.8%