Exchanges mobilise, react


NEW YORK -- The New York Stock Exchange (NYSE) resumed full trading on September 17, with its proprietary systems substantially undamaged, says Robert Britz, group executive vice-president in charge of operations. Some dust infiltrated the complex, but the exchange was able to power-down and power-up its systems, supported by 800 internal telephones and 200 miles of fibre optics under the floor, as it would on any normal day.

However, a huge effort began immediately after the attacks, when it

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