On December 14th, the US stock market closed with mixed gains and losses. The Dow Jones Industrial Average fell 0.20%, marking its seventh consecutive trading day of decline. The Nasdaq rose 0.12%, while the S&P 500 index closed flat. This week, the Dow Jones Industrial Average has fallen by 1.82%, the S&P 500 Index has fallen by 0.64%, and the Nasdaq has risen by 0.34%. Broadcom rose over 24%, with its market value breaking through the $1 trillion mark for the first time. Broadcom's AI revenue has grown by 220% to $12.2 billion this year, and it is expected that AI product revenue will increase by 65% year-on-year in the first quarter of fiscal year 2025. Maiweier Technology rose nearly 11%, with its stock price reaching a historic high, as its major competitor Broadcom released an optimistic revenue forecast. TSMC rose 5%. According to industry insiders, TSMC is committed to integrating CoWoS and SiPh and seeking to launch co packaged optical devices (CPO) by 2026. In addition, Apple has partnered with Broadcom to develop AI chips, and TSMC's advanced processes will receive another large order. Tesla rose over 4%, continuing to reach a historic high. It was reported that Trump's transition team proposed to repeal the current general order requiring automobile manufacturers to report accidents related to the auto drive system.