多只固态电池概念牛股，大幅回落

Core Insights - The solid-state battery sector has seen significant stock performance, with 20 stocks rising over 50% year-to-date, and 4 stocks doubling in value, namely Shanghai Xiba, Xian Dao Intelligent, Defu Technology, and Zhongyi Technology [1] Group 1: Stock Performance - As of October 17, 2023, many solid-state battery stocks have experienced notable pullbacks, with 24 stocks retreating over 20% from their year-to-date highs [1] - Defu Technology, Zhongyi Technology, Shanghai Xiba, and Xian Dao Intelligent are among the stocks that have seen significant declines after previously doubling in value [1] Group 2: Specific Stock Data - Key stocks with the largest pullbacks include: - Keheng Co., with a market cap of 3.73 billion and a pullback of 40.67% [2] - Mannester, with a market cap of 7.83 billion and a pullback of 36.49% [2] - Defu Technology, with a market cap of 18.32 billion and a pullback of 31.94% [2] - Xinyuren, with a market cap of 2.47 billion and a pullback of 31.58% [2] - Jinlongyu, with a market cap of 12.50 billion and a pullback of 29.56% [2]