卧龙电驱成交额达100亿元，盘中一度跌停

Group 1 - The core point of the article highlights that Wolong Electric's trading volume reached 10 billion yuan, with a significant drop in stock price, hitting the daily limit down at one point [1] - From August 13 to September 18, Wolong Electric's stock price increased by 125.7% [1]