How Motorola, which spun out its struggling smartphone business in 2011, successfully refocused on critical communication equipment, giving it a $60B market cap (Ryan Gould/Bloomberg)

Ryan Gould / Bloomberg : How Motorola, which spun out its struggling smartphone business in 2011, successfully refocused on critical communication equipment, giving it a $60B market cap —  Since spinning off its handset business, dealmaking has helped grow Motorola Solutions into a company worth more than $60 billion.