道指续创新高，嘉信理财重挫7.4%，人工智能忧虑波及券商股

Core Viewpoint - US retail sales unexpectedly stagnated in December, raising concerns about slowing consumer momentum, while high capital expenditures by major tech companies in the race for AI dominance continue to exert valuation pressure [1][2]. Market Overview - The US stock market showed mixed performance, with the Dow Jones Industrial Average reaching a new all-time high, while the S&P 500 and Nasdaq indices declined [2]. - The Dow Jones increased by 52.27 points, or 0.10%, closing at 50,188.14 points. The S&P 500 fell by 23.01 points, or 0.33%, to 6,941.81 points, and the Nasdaq dropped by 136.20 points, or 0.59%, to 23,102.47 points [2]. Retail Sales Data - The US Commerce Department reported that retail sales remained flat in December after a 0.6% increase in November. Core retail sales, excluding auto dealers and gas stations, also showed no change [6]. - Among 13 major retail categories, 8 experienced declines, including clothing and furniture stores, while spending at building materials and sporting goods retailers saw slight growth [6]. Employment and Economic Indicators - The upcoming US non-farm payroll report is anticipated to provide insights into the labor market, with previous estimates of job growth being revised down by approximately 911,000 positions [6][7]. - The Employment Cost Index for Q4 increased by 0.7%, below the market expectation of 0.8% [7]. Technology Sector Performance - Major tech stocks mostly declined, with Alphabet's announcement of a $20 billion bond issuance intensifying concerns over capital expenditure levels [4]. - Companies like Amazon, Alphabet, Meta, and Microsoft are expected to invest a cumulative total of around $650 billion in AI by 2026 [4]. Bond Market Reaction - The yield on the US 10-year Treasury bond fell by 5.1 basis points to 4.147%, marking a significant decline over four consecutive trading days [8]. - Market expectations for a potential interest rate cut by the Federal Reserve have increased, with June being viewed as the first month where the probability exceeds 50% [7][8].