LONDON, June 12 (Reuters) - Oil prices fell on Monday ahead of a U. "Oil prices are caught in a clash between two opposing forces, bearish asset allocators who point to monetary contraction and bullish oil speculators expecting lower inventories in 2H23," Francisco Blanch of Bank of America Global Research said in a note. Goldman Sachs cut its oil price forecasts on higher-than-expected supplies from Russia and Iran and raised 2024 supply forecasts for the two producers and Venezuela by a total 800,000 bpd