Stock market today: Dow, S&P 500, Nasdaq rise after Supreme Court strikes down Trump tariffs

Group 1: Supreme Court Ruling and Market Reaction - The Supreme Court ruled that President Trump does not have the authority to impose tariffs under the International Emergency Economic Powers Act, marking a significant legal defeat for his administration [4][7][8] - Following the ruling, US stocks rose, with the S&P 500 and Dow Jones Industrial Average both increasing by 0.4%, while the Nasdaq Composite led with a 0.6% rise [1][2] - Initial market reactions were mixed, with stocks sliding at the open before recovering after the Supreme Court's decision [2][16] Group 2: Economic Data and Market Sentiment - US GDP growth for the fourth quarter was reported at an annualized rate of 1.4%, significantly below the expected 2.9% [3][23] - The core personal expenditures index, a key inflation measure, rose by 0.4% in December, indicating persistent inflationary pressures [17][20] - Concerns about private credit markets were highlighted, particularly following Blue Owl's halt to withdrawals, raising fears of broader financial instability [4][5] Group 3: Company-Specific Developments - Chemours Co. reported a loss of $47 million in its fourth-quarter earnings, leading to a 9% drop in its stock price [26][28] - Live Nation's stock rose over 3% after reporting an 11% increase in fourth-quarter revenue, driven by concert sales [29] - Opendoor's stock surged 14% following a 46% increase in home acquisition volume, with revenue reaching $736 million, surpassing estimates [31]