Visa (V) stock may represent a strong buying opportunity at this time. Why? Because you receive high margins – indicative of pricing power and cash generation ability – for a discounted price. Companies like this produce consistent, predictable profits and cash flows, which lower risk and permit capital reinvestment. The market typically rewards this behavior.SAN FRANCISCO - FEBRUARY 25: Visa credit cards are arranged on a desk February 25, 2008 in San Francisco, California. Visa Inc. is hoping that its ini ...