白宫“乌龙”消息引发美股剧烈波动，市场信心再受考验

Core Points - The incident highlights the market's high sensitivity to policy news and the current global economic uncertainty [1][5] Group 1: Market Reaction - On April 7, a false report about a potential 90-day tariff suspension led to a significant market rebound, with the Dow Jones index recovering from a 4.3% drop to a 2.3% gain, the S&P 500 from a 4.6% drop to a 3.3% gain, and the Nasdaq from a 5% drop to a 4.3% gain, reflecting a volatility of over 9 percentage points [1] - Major tech stocks like Nvidia and Tesla experienced dramatic fluctuations, with Nvidia bouncing back from an almost 8% drop to a nearly 7.5% gain, and Tesla recovering from a nearly 10% drop to a 4.5% gain [1] Group 2: Market Confidence - The White House's subsequent denial of the tariff suspension news led to a swift market reversal, with the Dow Jones falling by 1.5%, the S&P 500 by 1.1%, and the Nasdaq by 0.9% [2] - Richard Branson expressed concerns over the financial market's instability, warning of disastrous consequences for ordinary Americans and small businesses due to a weakening dollar and rising consumer prices [3] Group 3: Policy Uncertainty - The event underscores the market's vulnerability to policy uncertainty, particularly regarding the Trump administration's tariff policies, which could have broader economic implications [4] - The potential for increased living costs for ordinary Americans and the high debt levels of small businesses raise alarms for market participants [4]