Wal-Mart stock price and stock price declines could lead to more losses for Texas oil company

A stock price decline could also lead to an oil-company stock price drop, which could hurt its business, according to the head of one of the nation’s largest oil companies.Wal-Mart’s stock price fell to its lowest level in three months Monday, after the company’s shares dropped almost 7% in the last 24 hours.The stock fell …