The move comes as Wal-Mart attempts to bolster its reputation, which has been hit in the past year by an alleged bribery scandal in Mexico and a deadly fire at a Bangladesh factory that supplies clothes to the company. Wal-Mart, which often is criticized for its low-paying jobs and buying habits in the U.S., said it's plan aims to highlight career opportunities in the retail industry, which supports one in four jobs in the country. The company's plan could have an impact on the U.S. economy: With $444 billion in annual revenue, if Wal-Mart were a country, it would rank among the largest economies in the world.