CNBC | US oil settles down 2.9%, at $45.89 a barrel CNBC U.S. crude oil fell nearly 3 percent on Monday as tumbling gasoline prices deepened a selloff sparked by China's slowing growth and signs that a nuclear deal waiving sanctions on Iranian oil will be implemented this year. A stronger dollar and weaker ... US Stocks Slip, Along With Oil Prices Could an oil price spike slam the US again? Iran calls to slash oil output as Opec nurses price slump wounds |