今日金价：28日，大家要有心理准备，下周，金价可能迎来大风暴

Core Viewpoint - The recent sharp decline in gold prices, dropping over $100 in a single day and breaking the psychological barrier of $4000, is attributed to a combination of factors including easing global trade tensions and profit-taking after a significant price surge [1][3][5]. Group 1: Market Dynamics - Gold prices are currently hovering around $3990, with New York futures slightly above $4000, while domestic prices in China have also seen declines [3]. - The immediate cause of the price drop is the positive developments in US-China trade negotiations, which have reduced market risk aversion [3]. - The US dollar index has rebounded to approximately 98.77, increasing the opportunity cost of holding gold and diminishing its appeal [5]. - Global central banks continue to purchase gold, with a net acquisition of 120 tons in October, a 23% year-on-year increase, providing a solid support for gold prices [7]. Group 2: Technical Analysis - The market is currently engaged in a fierce battle around the $4000 mark, with critical support levels identified between $3970 and $3980 [7]. - If the price breaks below these levels, further declines to the $3945-$3950 range may occur, while resistance is seen at $4030-$4040 [7]. Group 3: Future Outlook - Upcoming key events, such as the US non-farm payroll data release, could significantly influence market sentiment and gold prices [9]. - Analysts suggest that the expectation of a Federal Reserve rate cut remains strong, which could reignite bullish sentiment for gold if realized [5][11]. - Historical patterns indicate that significant price corrections in gold have often been followed by rebounds, suggesting that current adjustments may be within a reasonable range [11]. Group 4: Investor Sentiment - Consumer sentiment in gold retail has shifted to a more cautious stance, with some buyers opting to wait rather than purchase at high prices [13]. - The volatility index for gold has risen, indicating increased market uncertainty and prompting some financial institutions to raise trading margins [13]. - Institutional attitudes are shifting, with a reduction in net long positions in COMEX gold futures, suggesting some speculative funds are withdrawing [16]. Group 5: Broader Economic Context - The divergence between international gold prices and A-share gold concept stocks indicates differing investor sentiments and economic expectations in the Chinese market [16]. - The interplay of geopolitical risks, economic data releases, and central bank policies continues to create a complex environment for gold pricing [17].