By 1970, Walmart had expanded to 30 stores in the small towns of Arkansas, Missouri, and Oklahoma. San Walton, however, was personally several million dollar in debt. For Walmart to expand beyond its small region required an infusion of capital beyond what the Walton family could provide. Walton thus decided to offer Walmart stock publicly. The initial public offering yielded nearly $5 million in capital. By the early 1990s, 100 shares of than initial stock offering would increase in value from $1,650 to more than $3,000,000.