Wal-Mart is a multinational retailer that has its roots in the United States of America. It runs department stores mostly aimed at middle class and lower-middle class people. First, let's start with a little history. Sam Walton opened his first five-and-dime in 1950. His vision was to keep prices as low as possible. Even if his margins weren't as fat as competitors, he figured he could make up for that in volume, he was right. In the early 1960s, Walton opened his first Wal-Mart in Rogers, Arkansas. The company continued to grow, going public in 1970 and adding more stores every year. In 1990, Wal-Mart surpassed key rival Kmart in size. Two years later, it surpassed Sears. He found immediate success with 45 percent rise in sales in the first