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LoJack buys Canadian tracking company LoJack Corp., which makes devices for recovering stolen cars, agreed to buy Boomerang Tracking Inc. for about \$48 million to expand into Canada. LoJack will pay about \$4.32 a share in cash or a combination of cash and stock for the Montreal maker of stolen vehicle recovery equipment, LoJack said. Westwood-based LoJack also gets Boomerang's cash balance of \$12 million. ... 
