U.S. stock market midday update: With unclear prospects for strategic cooperation, Envirotech Vehicles' stock price plummets 15.68%

U.S. Stock Market Midday Update Envirotech Vehicles fell 15.68%. Based on recent key news: On December 18, Envirotech Vehicles' potential strategic partnership with AZIO AI attracted market attention. The rapid growth of AZIO AI and the positive momentum of the strategic deal made investors optimistic about Envirotech's future development; however, uncertainty regarding the details of the partnership led to stock price fluctuations. On December 17, a press release from Envirotech Vehicles mentioned that the company is applying for a name and stock code change, which sparked market speculation about the company's future strategic direction, resulting in a decline in stock price. On December 17, AZIO AI's valuation report indicated its enterprise value is approximately $480 million, highlighting its rapid rise in the AI infrastructure sector. As a potential partner, market expectations for Envirotech Vehicles' future growth potential have increased, but the stock price remains under pressure in the short term. The AI industry is growing rapidly, with significant potential for strategic partnerships. Stocks with High Trading Volume in the Industry Tesla fell 0.73%. Based on recent key news: On December 17, California regulators questioned Tesla's promotion of its autonomous driving features and planned to suspend its sales in California, causing the stock price to drop over 2% after hours. This move could impact Tesla's sales in the largest market in the U.S. and increase operational costs. On December 16, Tesla launched fully autonomous Robotaxi testing in Austin, Texas, boosting market sentiment. Morgan Stanley expects the Robotaxi fleet to expand rapidly, driving the stock price to new historical highs. On December 17, Barclays analysts maintained a hold rating, believing that differences in regulatory policies across states could affect Tesla's service expansion speed, putting pressure on electric vehicle sales and posing challenges to traditional business. Competition in the electric vehicle market is intensifying, and regulatory risks are increasing. Rivian rose 10.96%, reaching a 52-week high. Based on recent key news: On December 19, Wedbush raised Rivian's target price from $16 to $25, expecting the R2 SUV to drive demand and deliveries in the first half of 2026. This boosted investor confidence and drove the stock price up. On December 19, Baird upgraded Rivian's rating from "Hold" to "Buy" and significantly raised the target price to $25. This move is related to the company's launch of a new hands-free driving feature update, further enhancing market confidence in its technological advancements. On December 11, Rivian's stock price rose over 20% following its Investor Day event. Analysts predict that 2026 will be a turning point for Rivian, further driving the stock price higher The competition in the electric vehicle industry is intensifying, and policy changes are having an impact. General Motors rose by 1.59%. Based on recent key news: On December 19, Wedbush raised General Motors' target price from $75 to $95, maintaining an "Outperform" rating, which drove the stock price up. This move reflects the market's optimistic expectations for General Motors' future performance. On December 18, General Motors announced that it will release its Q4 2025 and full-year financial report on January 27, 2026, and the market's expectations for its financial performance may affect the stock price. On December 17, Morgan Stanley analysts upgraded General Motors' rating to "Overweight" and adjusted the target price to $90, further boosting investor confidence. The transformation of the automotive industry is accelerating, with a focus on electrification trends. Stocks ranked among the top in industry market capitalization Toyota Motor rose by 1.96%. Based on recent news, On December 19, Toyota Motor announced plans to introduce three models manufactured in the U.S. to the Japanese market starting in 2026, including the Camry, Highlander, and Tundra. This move aims to improve U.S.-Japan trade relations, and the stock price rose following the announcement. Source: Zhitong Finance On December 17, Bosch announced that it has secured a global multi-billion dollar ADAS project with Toyota Motor, expected to achieve mass production by 2028. This order is seen as the largest single project in the global intelligent driving field, boosting market confidence. Source: Viewpoint Network On December 19, Japan's Ministry of Finance released data showing that Japan's exports to the U.S. increased by 8.8% year-on-year in November, and the trade surplus with the U.S. rose by 11.3%. This macro data further propelled Toyota's stock price increase. Source: Nikkei News Global automotive industry technology upgrades and improved trade relations