高盛宏观交易员谈美股：上周可能是反弹的顶部，本周将出现微弱的逆转迹象

Core Viewpoint - The recent rebound in the US stock market may have reached its peak, with signs of a potential market correction emerging this week [1][7]. Group 1: Market Performance - The Nasdaq index has experienced a continuous rise, with 11 out of the last 13 trading days showing gains, indicating a strong performance in the tech sector [2][4]. - Non-profitable tech stocks surged by 8%, while popular short-sell stocks rose by 6.7%, showcasing a significant rally in speculative investments [2][4]. Group 2: Investor Sentiment and Positioning - Despite the apparent market exuberance, fundamental investors have shown negative alpha for the first time in six weeks, indicating a disconnect between market indices and actual investment performance [4][9]. - There is a notable contradiction where investors hold bullish positions while simultaneously expressing concerns about the market's sustainability [5][9]. Group 3: Valuation Concerns - The current price-to-earnings (PE) ratio for the top five companies stands at 28, which is lower than historical peaks of 40 in 2021 and 50 in 2000, suggesting that while valuations are high, they are not at extreme levels [4][7]. - Signs of "bubble-like" conditions are emerging in the primary market, with some companies being valued at over 100 times their annual recurring revenue [4][5]. Group 4: Market Cycle Analysis - The market is at a crossroads, questioning whether it is at the end of a long expansion cycle or at the beginning of a new one characterized by low interest rates and high corporate activity [7][9]. - The transition from market euphoria to a more cautious stance may be underway, with last week potentially marking the peak of the current rebound [7][9].