City firm which first suggested business was undervalued raises valuation estimate Royal Mail shares are moving higher again, as one of the earliest City brokers to suggest it was undervalued has upped its valuation. Panmure Gordon's Gert Zonneveld said a week before the flotation that the business could be worth £3.7bn to £4.5bn, compared to the sale price of £3.3bn. Now Zonneveld has issued a …
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