Group 1 - The impact of US President Donald Trump's tariff policy on investor sentiment is significant, often leading to market volatility, particularly in the crypto sector [1][2][3] - Recent tariff announcements resulted in a market crash that erased over $19 billion in leveraged crypto positions in one day, demonstrating the rapid and severe reactions of investors to trade policy changes [2] - The pattern of market response to tariff changes is predictable, with initial drops in stock prices followed by rebounds as negotiations resume, resembling pump-and-dump cycles driven by sentiment rather than fundamentals [3] Group 2 - Major tech and AI deals have also shown similar market reactions, where initial excitement leads to significant stock price increases, followed by corrections as the reality of the deals sets in [4][5] - OpenAI's deal with AMD led to a 38% surge in AMD's stock on the announcement day, but the stock later cooled as analysts recognized the complexities of the deal and its limited immediate profit impact [5] - Nvidia's $5 billion collaboration with Intel caused a 23% jump in Intel's stock, but subsequent analysis suggested that the market reaction was exaggerated, leading to a pullback in stock prices as the hype subsided [6]