US stocks ended lower on Friday as investors were cautious going into next week’s Federal Reserve meeting, while a Warning from Broadcom of a broad weakening in global demand weighed on chipmakers and added to US-China trade worries.

Shares of Broadcom Inc fell 5.6% after it cut its full-year revenue forecast by $2 billion, blaming the US-China trade conflict and export curbs on Huawei Technologies Co Ltd.