周末突发大事件！

Group 1: Geopolitical Events - The U.S. and Israel launched a military strike against Iran, with Israel's Defense Minister announcing a state of emergency [3] - Iran's Supreme Leader, Ayatollah Khamenei, was reported dead following an attack, leading to a nationwide mourning period [4] - The Iranian Revolutionary Guard Corps initiated a large-scale military operation named "Honest Commitment 4" in retaliation against the U.S. and Israel [5] Group 2: Economic Policies and Market Reactions - The Chinese government announced adjustments to tariffs on certain imported goods from Canada, including the removal of a 100% tariff on canola meal and a 25% tariff on lobster and crab [7] - The U.S. stock market saw a collective decline, with the Dow Jones Industrial Average dropping by 521.28 points, a decrease of 1.05% [8] - The Shanghai Stock Exchange monitored high-premium funds, including the China-Korea Semiconductor ETF, due to recent market volatility [10][11] Group 3: Industry Developments - The National Development and Reform Commission reported a continuous rise in storage chip prices, driven by explosive demand and significant supply shortages [12] - The first national standard system for humanoid robots and embodied intelligence was released in China, indicating advancements in the robotics sector [12] - The Chinese government imposed anti-dumping duties on canola seeds from Canada, with a rate of 5.9%, effective from March 1 [12] Group 4: Company News - Cambrian Technology reported a turnaround with a net profit of 2.059 billion yuan, achieving a revenue increase of 453.21% year-on-year [13] - Zhongji Xuchuang announced a net profit of 10.799 billion yuan, reflecting a growth of 108.81% compared to the previous year [13] - Four companies, including Haitai Development and Shuangliang Energy, received notices of investigation for alleged violations of information disclosure [13]