"While we are undergoing this review, it would be inappropriate to comment," said a spokesperson. "However, Thomson Reuters will continue to fully cooperate with the EU while it is engaged in this process."

In other Thomson Reuters news, on Monday the company announced a .

The Machine Readable News service now delivers traders with analytics from 50,000 news sites and four million social networks, in a format promised to be digestible and to highlight the key information.

Analytics include sentiment, relevance and novelty indicators that capture market opinion, for algorithmic trading systems as well as risk management and human decision support processes. Thomson Reuters said the development would help traders to be better informed as they shape their strategies.