收评：创业板指低开低走跌3.36% 燃气板块逆势上涨

Core Viewpoint - The market experienced significant fluctuations on October 17, with all three major indices dropping over 2% during the day [1] Market Performance - The total trading volume in the Shanghai and Shenzhen markets reached 1.94 trillion yuan, an increase of 6.9 billion yuan compared to the previous trading day [1] - Nearly 4,800 stocks in the market declined, indicating a broad-based sell-off [1] Sector Analysis - Defensive sectors showed strong performance, with the gas sector rising against the trend, and Guo Xin Energy achieving three consecutive trading limits [1] - The banking sector performed well, with Agricultural Bank of China hitting a new high [1] - The port and shipping sector exhibited localized strength, with Haitong Development achieving two consecutive trading limits [1] Declining Stocks - Several heavyweight stocks weakened, with ZTE Corporation hitting the daily limit down and Sunshine Power dropping 11% during the day [1] - The electric grid and energy storage sectors faced significant declines, with Huaming Equipment and Igor hitting the daily limit down [1] Overall Index Performance - By the end of the trading day, the Shanghai Composite Index fell by 1.95%, the Shenzhen Component Index dropped by 3.04%, and the ChiNext Index decreased by 3.36% [1]