Dow's third consecutive triple-digit loss is worst streak since September

SAN FRANCISCO (MarketWatch)
U.S. stocks Tuesday sank on concerns about Greece debt, sending the Dow Jones Industrial Average to its third straight triple-digit loss
That was the first such loss streak since early September
The Dow fell 104.14 points, or 0.8%, to 12,617.32, led by a 5.9% drop in Cisco Systems Inc.
The S&P 500 lost 12.21 points, or 0.9%, to 1,338.31
Telecoms led losses for all 10 S&P 500 sectors
The Nasdaq Composite lost 27.16 points, or 0.9%, to 2,862.99
 A Reuters report that European Union officials believe Greece will have to restructure about $242 billion in debt sent stocks skidding midday