纳指高开1.4%，美光绩后大涨近13%

Group 1 - The core CPI in the US for November unexpectedly fell, with a year-on-year growth of 2.6%, marking the lowest growth rate since early 2021 [1] - The interest rate futures market anticipates a reduction of 62 basis points in the Federal Reserve's rates next year [1] - Major US stock indices opened higher, with the Nasdaq rising by 1.4%, the S&P 500 increasing by 0.95%, and the Dow Jones up by 0.63% [1] Group 2 - Micron experienced a significant increase of nearly 13%, with Q1 performance and guidance exceeding expectations; the CEO indicated that DRAM supply shortages will persist until after 2026 [1] - Google shares rose by 1.8% following the release of a low-cost version of its flagship model, Gemini 3 Flash, which has reasoning capabilities close to those of Gemini 3 Pro [1] - Tesla's stock increased by 3.1%, with Morgan Stanley projecting that the Robotaxi fleet could grow to 1,000 vehicles by 2026 [1] - Amazon's shares rose by 2.3% as the company restructured its AI division, appointing Peter DeSantis, the senior vice president of cloud business, as the new head [1]