Deutsche Boerse shares soar on rumours of CME merger

Shares in German stock market operator Deutsche Boerse soared nearly 12 percent in midday trading on Monday on rumours the company is in merger talks with CME Group in the United States.

Deutsche Boerse shares topped an intraday high of 52.30 euros, a gain of 11.5 percent over the closing share price on Friday.

A company spokesman declined to comment on a newswire report that Chicago-based CME, the world's largest futures exchange, has approached Deutsche Boerse to consider starting talks on a merger.