Di Yi Cai Jing·2025-10-18 02:00Core Viewpoint - The stock price of Sanhua Intelligent Control surged due to rumors of a significant order from Tesla, leading to a rapid increase in trading activity and price movement in the humanoid robot sector [1][2][3] Group 1: Rumor Origin and Spread - The rumor about Sanhua Intelligent Control securing a $685 million order from Tesla originated on overseas social media and was disguised as a domestic media report, which facilitated its spread [2][12] - The initial post on social media claimed that the order was worth approximately 5 billion RMB, enough to produce at least 180,000 units of the Optimus robot [3][12] - The rumor was further propagated by accounts that presented it as credible international news, enhancing its perceived legitimacy [16][18] Group 2: Market Reaction - Following the rumor, Sanhua Intelligent Control's stock price hit the daily limit up, with a trading volume of 11.98 billion RMB within half an hour [1][22] - The trading activity included significant buying from retail investors, institutions, and foreign capital, with the top five trading seats accounting for nearly 3.5 billion RMB in transactions [19][21] - Notably, a well-known trading seat associated with retail investors made a net purchase of over 680 million RMB on that day [20][23] Group 3: Subsequent Developments - Despite the initial surge, Sanhua Intelligent Control issued a clarification stating that the rumors were untrue, leading to a sharp decline in its stock price the following day [15][22] - The stock's volatility was exacerbated by the actions of institutional investors, who showed signs of selling off their positions after the price increase [24][25] - The trading patterns observed during this event reflect a broader trend in the market where fabricated news can significantly influence stock prices, particularly in the context of the A-share market [17][18]