On September 15, US stock index futures experienced a collective downturn as international oil prices continued their upward trajectory.

As of the latest update, New York crude oil futures climbed 2.65% to $104.07 per barrel, while Brent crude rose 2.56% to $108.39 per barrel. In contrast, precious metals faced continued pressure, with spot gold dropping 0.8% to $4,264.03 per ounce and spot silver falling 0.76% to $62.73 per ounce.

From September 15 to 16 local time, the Federal Reserve convened its two-day policy meeting. Market analysts suggest that amid multiple economic pressures, the Fed's first tightening move in three years appears nearly certain. Combined with recent actions from the European Central Bank and the Bank of Japan, major global central banks are poised to enter a rate-hike cycle.