Still, unless the central bank is prepared to stand behind the banks for ever, some will have to fall by the wayside as both foreign and bigger Nigerian banks sweep up the vast potential market for deposits and mortgages.

ECONOMIST: The hard task of reforming Nigeria's banking system

The law, in fact, illustrates how vast is the untapped potential market.

ECONOMIST: India

Nonetheless, when China began its economic reform program, Coca-Cola was one of the first international companies to understand the inherent potential of the vast China market and returned to the country in 1979.

FORBES: Shanghai's International Board

Dychtwald's message: Baby boomers, the 78 million Americans born between 1946 and 1964, present a vast market for a potential explosion of products and services, from new dating websites to longevity insurance to new kinds of food.

FORBES: Magazine Article

Its stumble in China is a sore point as both GM and Volkswagen are gaining ground in that market, the world's largest, where potential for growth remains vast.

NPR: Toyota Top Selling Automaker Despite China Fall