国产芯片批量涨停，是高潮还是刚启动？

Core Viewpoint - The article discusses the impact of the proposed 100% tariffs on chips and semiconductors by the U.S. government, highlighting potential burdens on consumers and negative effects on GDP growth and employment rates [2]. Group 1: Market Reactions - Following the announcement of tariffs, defensive sectors showed resilience, with domestic seed and chip stocks experiencing significant gains, including stocks like Astone, Fuman Micro, and Jiayuan Technology hitting the daily limit of 20% [2]. - The semiconductor sector demonstrated a strong upward trend, with a notable increase in trading volume and a confirmation of breakout patterns in stock prices [4]. Group 2: Valuation and Investment Opportunities - As of August 6, 2025, the semiconductor sector's price-to-book ratio stands at 5.372 and the price-to-earnings ratio at 128.4, indicating that while some AI chip companies have reached historical highs, there is still room for growth in chip stock valuations compared to mid-2024 levels [4]. - The article suggests that the tariff policy reinforces the need for domestic self-sufficiency and the push for domestic alternatives, with expectations of significant investments from the National Big Fund aimed at overcoming key technological bottlenecks in EDA software and wafer manufacturing [4]. Group 3: Investment Strategy - Investors are advised to focus on the infrastructure development of artificial intelligence and to diversify their investments based on valuation, particularly favoring domestic semiconductor stocks and the progress of domestic semiconductor equipment replacements [5].