Thousands of Bloomberg screens around the world went dark for several hours Friday, leaving traders without access to market data, news and dealing systems.
The global outage began just as the London trading day was beginning, and forced the postponement of an auction of U.K. government debt until later Friday.
Bloomberg said it had restored service to most customers by soon after 7 a.m. ET.
Founded by Michael Bloomberg, the company is one of the leading providers of financial information and dealing systems in the world.
More than 300,000 people subscribe to its flagship Bloomberg Professional product. It competes with companies such as Thomson Reuters, Factset, Markit and others, and performs a vital role in providing secure systems for traders and investors in stocks, bonds, currency and commodity markets.
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