市场日报：三大指数高开低走 沪指收跌超1%

Market Overview - On October 17, 2024, the three major indices opened significantly higher but quickly retreated, with the Shanghai Composite Index closing down over 1% at 3169.38 points, a decrease of 1.05% [1][2] - The Shenzhen Component Index fell by 0.74% to 9891.76 points, while the ChiNext Index decreased by 0.32% to 2033.48 points [1][3] Sector Performance - The computer, media, and electronics sectors led the market with gains of 1.69%, 0.84%, and 0.68% respectively [7] - Conversely, the real estate sector experienced the largest decline, down 6.23%, followed by building materials and building decoration sectors, which fell by 3.23% and 2.04% respectively [7] Trading Volume and Market Sentiment - The total trading volume across the two markets reached approximately 1.5 trillion yuan, with 1,288.19 million shares traded [4] - A total of 1,798 stocks rose, while 3,445 stocks declined, indicating a bearish market sentiment [4] Stock Buyback Initiatives - Many banks are actively preparing to support stock buyback initiatives, with nearly 2,000 buyback plans implemented this year, involving over 1,400 companies [2] - As of September, 48 companies announced buyback plans, with central and state-owned enterprises accounting for over 30% of these announcements [2]