Oil prices slumped by more than 4% early on Tuesday as traders have yet to see an actual supply disruption in the Middle East while focusing on China’s underwhelming demand again. Both benchmarks, WTI Crude and Brent Crude, were down by about 3% as of 9:30 a.m. EDT on Tuesday. The U.S. benchmark fell below $75 per barrel, and the Brent price was down to the $78 a barrel handle, after breaking above $80 on Monday in an 11% total gain in oil prices since Iran fired missiles on Israel a week ago. The war premium has started to evaporate, especially…