ENERGY WATCH

WTI $36.38 — noon Tuesday

Oil prices dropped to their lowest level in more than two months Tuesday, reacting to pressure from stalled demand and threats of production expansions by OPEC that will add to an existing glut of crude.

Futures tied to West Texas Intermediate, the benchmark grade of U.S. crude oil, tumbled 8 percent to $36.58 a barrel in New York, their lowest price since mid-June. Brent-crude futures dropped 5.4 …