Stock market today: S&P 500, Nasdaq touch all-time highs as stocks power higher, bond yields retreat

US stocks continued to march higher as a global bond sell-off and soaring diesel costs haven't dented investors' optimism over upcoming earnings and the artificial intelligence boom.The Nasdaq Composite (^IXIC) rose by 0.8% after the tech-heavy index hit a record high on Monday, bolstered by all-time highs in Nvidia shares (NVDA) and other tech names.The Dow Jones Industrial Average (^DJI) added 0.5%. The S&P 500 (^GSPC) climbed 0.7%, putting the benchmark index on track for a record high at the close.Treasury yields eased on Tuesday, with the 10-year yield (^TNX) sitting at 5.29% after reaching its highest closing level in 24 years. The 30-year yield (^TYX) at 5.66% is also near its highest since 2002.The tech sector continued to flex its strength after AMD CEO Lisa Su noted that demand for compute continues to outrun supply. Su’s comments came after Taiwanese Nvidia partner Foxconn (2354.TW) reported healthy earnings, signaling strong demand globally for AI infrastructure. We're watching Nvidia shares as the company's market capitalization nears $6 trillion.On Tuesday, Constellation Brands (STZ) will report earnings, while the economic calendar remains quiet.