London's FTSE 100 closed virtually unchanged at 9,642 on Tuesday, as investors braced for the Fed's policy decision on Wednesday. The Magnum Ice Cream Company (-3.7%) emerged as the top loser a day after debuting as a standalone listed business, as some investment banks began weighing in on its prospects. JP Morgan, citing short-term risks, gave the newly listed company a ‘neutral’ rating with a €14 price target, noting the stock is fairly valued compared to peers but “has yet to prove itself as a listed player.” On the opposite side, WPP surged 6.3% after the advertising giant reportedly secured a major government contract worth around