['ORG | Bespoke_Investment_Group', 'ORG | Boeing', 'PERCENT | 11.5%', 'PERCENT | nearly_30%', 'exchangeName | Dow_Jones_Industrial_Average', 'stockChange | gain']
A single company, Boeing, has accounted for nearly 30% of the Dow Jones Industrial Average's year-to-date gain of 11.5%, according to Bespoke Investment Group.