LSE Glitch Confirms Primary Data Dependence

A technical glitch on the London Stock Exchange last week resulted in a brief market data outage and suspension of trading in six large-cap FTSE 100 stocks and a further 10 mid- and small-cap stocks, sources tell Inside Market Data. According to an exchange spokesperson, the outage resulted from "invalid data" that affected firms' ability to enter orders on shares in Alliance Trust, Aviva, Cable & Wireless, Diageo, Lonmin and Randgold Resources. The spokesperson declines to confirm the so