NYSE Joins 21st Century, Letting Traders Use Their Mobile Phones

  • Decision follows phone outage on Friday during hectic session
  • Only landlines or NYSE-authorized phones had been allowed

The New York Stock Exchange stands in New York.

Photographer: Michael Nagle/Bloomberg
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The 224-year-old New York Stock Exchange is edging into the 21st century, letting floor brokers use their personal mobile phones at its iconic Manhattan trading floor.

The decision follows a communications breakdown on Friday, a hectic day of trading after the U.K. voted to leave the European Union. Service to brokers’ landlines on the floor went out, and not all of them had NYSE-authorized mobile phones. Now, personal devices can be used, at least temporarily, according to a regulatory filingBloomberg Terminal.