Whitbread shares fell back 20p to £14.19 after Credit Agricole Cheuvreux acquired a 9.1% stake, making it the second largest investor in the group. The news heightened speculation that the group might fall to a break-up bidder. Some dealers suggested property investor Robert Tchenguiz might be involved, as he often deals through contracts for derivatives Whitbread operates Costa Coffee shops and the Beefeater chain of restaurants. The Daily Telegraph 04/11/06 page 33 (The Market, Business), page Y6 (What The Brokers Say, Your Money) The Guardian 04/11/06 page 37 (Market Forces, Financial)