By Laura McGuire Elliott Investment Management confirmed it is considering a possible cash offer for Currys after the electrical retailer rejected its initial £700m bid over the weekend. In an update this morning, the owner of Waterstones, said: “Elliott confirms that it is considering a possible cash offer for Currys.” ”There can be no certainty that an offer will be made for Currys nor as to the terms on which any offer might be made,” it added. Currys’ board also said there “can be no certainty” that an offer will be made for the electricals retailer after it rejected its initial £700m take…