A cocktail of uncertainty and suspense linked to Trump's trade policy spikes investor sentiment, leading to a significant downturn across major indices. The Dow, S&P 500, and Nasdaq 100 all stumbled, with tech giants and semiconductor stocks like Marvell Technology bearing the brunt of the sell-off, as the market digested both the impact of new U.S. tariffs and underwhelming AI sales forecasts. Amidst this turmoil, Alibaba's AI advancements and the ECB's interest rate cuts stood out.