Associated Press (via San Francisco Chronicle): "Trading was suspended at the New York Stock
Exchange, and officials were deciding whether to shut
for the entire day. The Nasdaq Stock Market said it was
still considering an 11:30 a.m opening, but no final
decision had been made.d
Other markets did close: the American Stock Exchange
and the New York Mercantile Exchange.
The nearby World Financial Center, which houses the
NYMEX, was also evacuated."