NYSE shutdown rattles markets amid global fears

NYSE shutdown rattles markets amid global fears

NEW YORK — The New York Stock Exchange shut down for nearly four hours Wednesday as a jittery Wall Street fretted over the steep slide in Chinese markets, uncertainty in the Greek debt crisis and several electronic outages at home.

The NYSE was felled by technical problems, initially described as a software issue possibly involving an upgrade, that dealt another nick to the public's confidence in the financial system.

Trading was abruptly halted at 11:32 a.m. EDT in the middle of a busy trading day, stunning the market and sending frazzled traders to alternative markets where stocks listed on the NYSE were still trading.

Soon afterward, the exchange issued a statement...