How Farid Virani turned one mall cart into the biggest AT&T retailer in the country - and what he did with the money once he got there.
Rich Balot opened a phone store as a college freshman in 1996. Thirty years later, Victra runs more than 1,800 Verizon stores across every state - here is how a single storefront in Wilson, North Carolina became the carrier's largest retail partner.
Cricket built a national wireless business around a modest promise: the bill should not be the month's biggest surprise. Backed by AT&T's network, it now pairs prepaid discipline with the phones, perks and retail reach of a much larger carrier.