 Gas prices continue to fall. Right now, the Arizona average is $3.57 a gallon. That's seven cents above the national average. Connie Weber, Arizona News Radio. CBS Money Watch. Walgreens was the biggest offender in the market's eyes after the drugstore chain cut its full year guidance and announced it's going to close a substantial number of stores as consumer weakness has been worse than expected. And that sent Walgreens stock diving to its lowest level since 1997.