智能驾驶+汽车电子概念联动4连板！索菱股份9:25再度涨停，背后逻辑揭晓

Group 1 - The core point of the article highlights that Suoling Co., Ltd. has achieved a four-day consecutive limit-up in stock trading, indicating strong market interest and performance [1] - The stock reached a trading limit at 9:25 AM with a transaction volume of 73 million yuan and a turnover rate of 1.06% [1] - The controlling shareholder's concerted action participant, Tanghe Holdings, successfully bid for and purchased 37.5 million shares of the company, having fully paid the auction transaction amount [1] Group 2 - The company's business includes in-vehicle intelligent terminals and autonomous driving systems, linking it to developments in the smart driving sector [1]