- US-based exchange company CME Group confirmed that it had approached NEX Group about a possible takeover

The two companies were currently working together to allow CME to complete due diligence and determine whether a firm offer could be made, CME said.

'As a result, there can be no certainty that any firm offer will ultimately be made for NEX, nor in relation to the terms on which such offer may be made,' it added.

NEX first announced CME's approach after the UK market had closed on Tuesday.

At 2:29pm: [LON:NEX] National Express Group PLC share price was +2p at 391.2p

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