机构：股市下跌受多种因素驱动

Core Viewpoint - The decline in the stock market is driven by a cautious sentiment among investors, influenced by multiple macroeconomic uncertainties rather than a single clear catalyst [1] Group 1: Macroeconomic Uncertainties - Concerns regarding economic growth prospects are contributing to investor caution [1] - Ongoing negotiations in the U.S. government regarding a potential shutdown are adding to the uncertainty [1] - There is a careful review of capital expenditures in key industries, further impacting investor sentiment [1]