历史上沪指“八连阳”后如何演绎？

Strategy Overview - The report analyzes the historical occurrences of the Shanghai Composite Index experiencing an "eight consecutive days of gains" scenario, providing insights into market behavior and potential future trends [1][4][32]. Historical Performance of "Eight Consecutive Gains" - The first occurrence from November 14 to November 23, 2006, was during the second wave of a bull market, driven by strong bank stock performance as banks prepared for IPOs [1][15]. - The second occurrence from January 28 to February 6, 2013, marked the end of a rebound phase after a significant decline, with the index facing resistance at a double top before retreating [2][16]. - The third instance, known as "nine consecutive gains," occurred from March 11 to March 23, 2015, as part of a strong upward breakout in a bull market, catalyzed by monetary policy easing and reform announcements [3][21]. - The fourth instance, "eleven consecutive gains," from December 28, 2017, to January 12, 2018, was characterized by a false breakout at a major resistance level, leading to a significant correction [4][24]. - The fifth occurrence from February 6 to February 23, 2024, was an early-stage rebound amid economic concerns, with the index showing signs of a potential upward trend but later facing downward pressure [3][27]. Current Market Context - The current "eight consecutive gains" scenario, starting December 17, 2025, is set against a backdrop of weak economic fundamentals and moderate liquidity, with the RMB appreciating primarily due to short-term settlement factors [6][32]. - The technical characteristics of the current index movement suggest an upward continuation pattern, although it is not in a strong upward trend compared to previous bull markets [6][32]. - The cumulative gain during this current "eight consecutive gains" is notably lower than in past occurrences, indicating a cautious outlook for sustained upward momentum [6][32]. Market Performance and Policy Events - The A-share market has shown a significant rebound, with trading volumes returning to 2 trillion RMB, driven by the appreciation of the RMB and sector-specific performances, particularly in commercial aerospace and metals [7][35]. - The report highlights a divergence in sector performance, with notable gains in industries such as non-ferrous metals and electric equipment, while consumer sectors are beginning to realize profits from previous policy-driven gains [8][44]. - The report also notes that the overall market risk appetite has slightly increased, as indicated by the A-share equity risk premium (ERP) [7][35].