券商股补涨，区块链概念龙头多次炸板，市场小幅放量是何信号？

Market Overview - The A-share market saw all three major indices rise collectively, with the Shanghai Composite Index increasing by 0.42% to close at 3376.20 points [1] - The trading volume in the Shanghai and Shenzhen markets reached 1.15 trillion yuan, an increase of 116 billion yuan compared to the previous day [1] - The market exhibited a broad-based rally, indicating a favorable profit-making environment [1] Sector Performance - Brokerage stocks experienced a rebound, contributing to the overall market uptrend [1] - The innovative drug sector showed signs of divergence, with leading stock Shuyatian experiencing a pullback [1] - Blockchain concept stocks, particularly Yuyin Co., faced volatility, with multiple instances of price fluctuations during trading [1] Investment Competition Insights - In the ongoing simulated stock trading competition, participants capitalized on new consumer concept stocks, with Mankalon achieving over 20% profit in two days [2] - The competition allows participants to win cash rewards based on positive returns, with specific prizes allocated for top performers [4][5] - Participants are encouraged to operate at least three stocks per competition period to maximize their scoring potential [7]