激光雷达概念短线走高，腾景科技涨超14%

Group 1 - The A-share laser radar concept stocks experienced a short-term rise on August 19, with Tengjing Technology increasing by over 14% [1] - Saiwei Electronics saw an increase of over 11% [1] - Other stocks such as Guangxun Technology, Guangku Technology, Juguang Technology, and Lingyi Zhi Zao also followed the upward trend [1]