A股高价股午后震荡走低，德科立跌13%，汇成真空、天孚通信、鼎通科技跌11%，太辰光跌超10%，乐鑫科技、欧陆通跌9%

Core Insights - Dekoli's stock dropped over 13%, indicating significant market volatility [1] - Huicheng Vacuum, Tianfu Communication, and Dingtong Technology experienced declines exceeding 11% [1] - Taicheng Light's stock fell by over 10%, while Lexin Technology and Oulutong saw declines of over 9% [1] Group 1 - Dekoli's decline of over 13% suggests potential concerns regarding its market performance [1] - The significant drops in Huicheng Vacuum, Tianfu Communication, and Dingtong Technology, each exceeding 11%, may indicate broader industry challenges [1] - Taicheng Light's drop of over 10% could reflect investor sentiment or operational issues within the company [1] Group 2 - Lexin Technology and Oulutong's declines of over 9% may signal competitive pressures or market adjustments affecting these firms [1]