US stock market today: Wall Street opens higher as investors await Nvidia earnings

Market Overview - The Dow Jones Industrial Average rose 183.1 points, or 0.37%, to 49,357.63 at the open, while the S&P 500 gained 25.1 points, or 0.36%, to 6,915.15, and the Nasdaq Composite advanced 141.3 points, or 0.62%, to 23,005.008 [2][4] Nvidia's Performance - Nvidia is central to the AI-driven market narrative, with analysts projecting its profit to jump nearly 70% year-on-year to $37.52 billion, translating to daily earnings exceeding $400 million during the three months through January 25 [2][4] - Nvidia's earnings reports are increasingly viewed as a barometer for broader market trends due to the company's size and the significant influence of AI on equities [2][4] Investor Concerns - Investor concerns have intensified regarding the sustainability of heavy AI-related spending, particularly whether major technology companies like Alphabet and Amazon can generate sufficient returns on their substantial investments in AI infrastructure and chips [3][4] - A potential slowdown in capital expenditure could directly impact Nvidia [3] Sector Reassessment - Investors are reassessing sectors perceived as vulnerable to AI-led disruption, leading to sharp sell-offs across various industries, including software, logistics, and legal services [3][5] Corporate Earnings Growth - Despite concerns, there is steady growth in corporate earnings reported by large US companies, which supports segments of the market previously overshadowed by AI-focused stocks, particularly smaller firms [3][5] - Cava Group's shares surged 18.6% after reporting stronger-than-expected profit and revenue, with annual revenue exceeding $1 billion for the first time, marking a 22.5% increase from the previous year [5] - Axon Enterprise's shares jumped 16.5% following better-than-expected earnings, driven by demand for its Tasers, body cameras, and AI-powered solutions [5] - The gains in Cava Group and Axon Enterprise helped counterbalance weakness in First Solar, whose shares fell 14.2% after reporting profit below market expectations [5]