Lexington (Mass.) Retirement System hired Meketa Investment Group as...

Lexington (Mass.) Retirement System hired Meketa Investment Group as its first consultant, said Marguerite Oliva, retirement administrator. Meketa will begin a comprehensive study of the $71 million pension plan early next year, and it is expected to take six months to a year to complete, she said. The plan's asset allocation is 65% equity, 30% fixed income and 5% cash.