The industrials sector, as tracked by the XLI ETF, experienced a significant downturn of -2.61% in the current trading session. This move is largely attributed to a broader market sell-off, with pronounced weakness in the technology and semiconductor industries. Concerns following the U.S. midterm elections regarding potential regulations on AI data center construction have triggered a rotation out of technology stocks, impacting overall market sentiment and dragging down cyclical sectors like industrials. There is no single, prominent negative catalyst specific to the industrials sector itself.