Group 1 - The U.S. stock market has experienced a significant rebound from its recent lows, but volatility experts caution investors against becoming complacent [1][2] - The S&P 500 index has risen for five consecutive trading days, marking its longest streak since November of the previous year, with a total rebound of 10% since the low in April [2] - The demand for protection against "tail risk" has decreased in recent weeks, indicating investor confidence in the market [4] Group 2 - Experts suggest that the market may be underestimating the impact of significant economic issues, such as tariffs and trade wars, on investor confidence [2][5] - There is a concern that the recent market rally is primarily driven by low trading volumes and short covering, rather than strong fundamentals [5] - Investment strategists are recommending hedging strategies, such as buying put options, to protect against potential downturns in the market over the next 6 to 9 months [5]