(Bloomberg) -- Mars Inc., the US candy company, agreed to buy Britain’s Hotel Chocolat Group Plc for £534 million ($662 million) and pledged to help the high-end seller of chocolate “puddles, slabs and batons” expand internationally. Most Read from BloombergBiden, Xi Declare Progress After Concluding Four-Hour SummitIsrael Latest: Biden Defends Hospital Raid, Says Hamas UnbowedHamas Chief Who Deceived Israel Is Target No. 1 Deep UndergroundXi Says China Seeks to Be Friends With US, Won’t Fight ‘