The US stock market saw a decline on Friday, which had a ripple effect on oil and vegetable oil prices. Crude oil prices hit a four-year low due to China imposing a 34% tariff on US goods, leading to a potential global crisis and reduced energy demand. This caused commodity market quotes to also decline. Vegetable oil prices, particularly soybean oil, saw the most significant drop. Traders are waiting to see what tariffs other countries will impose on US goods, and there are hopes that President Trump will cancel tariffs after negotiations. However, experts warn that the tariffs are damaging confidence in the US economy and global demand for commodities, predicting a decline in commodity markets in the coming months.