London Stock Exchange: What really went wrong

“The London Stock Exchange has made a U-turn on the system
requirements placed on data vendors such as Thomson Reuters,
Interactive Data and Bloomberg, after three weeks of problems since
the launch of its new trading platform.

“The decision, to fundamentally change the timing and systems
around closing share price data recording, was made following a
heated meeting with the providers that addressed significant
disparities in quoted share prices.

“The move has been widely welcomed by vendors, which provide
share price data from the LSE to traders, and compete on speed and
quality. A number of them had expressed real opposition to the
changes that the LSE pushed through as it moved to a new platform.
The exchange declined to comment on the issue.”

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