Magnum shares have risen sharply in value on the Damrak. News agency Reuters reports, based on anonymous sources, that American investment firms would like to acquire the company. For the time being, these are unconfirmed reports released by Reuters. Less than six months ago, Unilever's former ice cream division went public on the AEX as an independent company. "It was a short marriage," says Jorik Simonides, presenter of BNR Beurs.