July RBOB prices broke down to a new three day low during the early morning hours but managed to hold above last week's low. Renewed concerns over Spain's banking sector weighed heavily on risk-taking sentiment this morning, and further weakness in the crude oil market has put added pressure on gasoline prices. Weekly data from the US Department of Energy showed cash gasoline prices in the US falling nearly $0.05 last week to an average price of $3.67 per gallon.