Software stocks are tanking the market again as AI and tariff uncertainty spook traders

Market Overview - US stocks experienced a decline at the start of the week, with major indexes losing more than 1% due to new tariff uncertainties and fears of AI disruption in the software sector [1][2][3] - The Dow Jones Industrial Average dropped over 800 points as selling intensified around midday [2] Tariff Impact - President Trump's announcement to increase global tariffs to 15% contributed to market volatility, following the Supreme Court's decision to overturn most of his previous tariffs [2] - The uncertainty surrounding tariffs has led to increased volatility on Wall Street, affecting investor sentiment [3] Software Sector Concerns - The iShares Expanded Tech-Software Sector ETF fell by 5%, marking a nearly 30% decline in 2026, indicating a bear market for the software sector [3] - Renewed fears regarding AI's impact on the economy have led to speculation about a potential white-collar recession and stock market crash, as highlighted in a report by Citrini Research [4][5] AI and Capital Expenditure - Concerns about AI's influence on market dynamics have prompted discussions about capital expenditure (capex) spending, particularly in relation to AI data centers [6] - Investors are awaiting Nvidia's earnings report, which is expected to provide insights into the tech sector's performance amid these uncertainties [5][7] Hedge Fund Activity - Hedge funds have significantly reduced their exposure to US equities, with net sales occurring at the fastest pace since last March, indicating a cautious approach among institutional investors [6][7]