(Bloomberg) -- Investcorp Capital Plc, an investment vehicle backed by the Middle East’s biggest alternative asset manager, ended its first day of trading flat after its $451 million initial public offering in a rare muted debut in the region.Most Read from BloombergAston Martin Owner Lawrence Stroll Sells F1 Team Stake at £1 Billion ValuationHamas Mastermind Who Tricked Israel Is Top Target in Gaza TunnelsBacklash Spreads Over Musk’s Endorsement of Antisemitic PostApple Plans to Make It Easier