CNBC | US oil drops for 3rd straight day as glut worries return CNBC U.S. oil prices fell more than 2 percent Tuesday, retreating swiftly from the year's highs hit last week, on renewed glut worries, a rebounding dollar and weaker global equities. Iraq said its oil shipments from southern fields averaged 3.364 million ... Oil slides second straight day as glut worries return |