Closing Review: ChiNext Index Falls Over 2%, Semiconductor and Other Sectors Slide Down, Financial Sector Rallies Against the Trend

MetaMuskRat · 2026-03-17T07:32:18+00:00

On March 17, the A-share market declined overall, with the Shanghai Composite Index falling nearly 1%, and more than 4,500 stocks decreasing in value. Although sectors such as semiconductors weakened, insurance and banking sectors rose. Under the influence of geopolitical conflicts, investment logic in the technology sector has attracted attention, especially as the outlook for the prosperity of computing power and optical communication sectors is expected to improve.

MetaMuskRat

2026-03-17 07:32:18

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On March 17, major stock indices across both markets declined in the afternoon, with the Shanghai Composite Index falling nearly 1%, the ChiNext Index and STAR Market Composite Index dropping over 2%, and more than 4,500 A-shares turning green.

By the close, the Shanghai Composite Index decreased by 0.85% to 4,049.91 points, the Shenzhen Component Index fell by 1.87%, the ChiNext Index dropped by 2.29%, while the SSE 50 Index rose against the trend by 0.32%. The combined trading volume of the Shanghai and Shenzhen markets and the Beijing Stock Exchange was approximately 22.2 trillion yuan.

Market-wise, sectors such as semiconductors, chemicals, non-ferrous metals, and gas declined, while insurance, banking, real estate, and securities sectors rose. The performance of newly listed stocks was active.

Guotai Haitong Securities stated that recent geopolitical conflicts have caused significant disruptions in the secondary market, leading to varied adjustments in Asia-Pacific indices, with core A-share indices also experiencing some impact. After crude oil prices surged and then retreated, secondary market funds have gradually shifted back into the technology sector. This aligns with the core trading logic formed since 2024 of “emerging technology + pro-cyclicality,” with emerging technology remaining a high-priority investment theme. After geopolitical tensions ease, capital returning to the tech sector continues to focus on core areas such as computing power and optical communications, with related sub-sectors expected to maintain high activity and certainty.

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