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 Dow opened up 0.1%, S&P 500 rose 0.3%, Nasdaq rose 0.5%, Broadcom rose 18.7%, and Q4 AI revenue increased 220% year-on-year. Furniture retailer RH rose 15.8% and raised its performance forecast. EVgo rose by 9.0% and was supported by a loan of $1.25 billion from the US Department of Energy. Xpeng Motors fell 3.8% and was downgraded to "sell" by UBS.Philadelphia SE Semiconductor Index reached its highest level in more than a week, rising by 3.1%.

The Shanghai-Kunming Railway's relocation line in Songjiang section was fully connected. At 4: 33 on December 13th, the Shanghai-Kunming Railway's relocation line in Songjiang section was fully connected, marking the completion of the Shanghai-Kunming Railway's relocation project in Songjiang and its successful introduction to Shanghai Songjiang Station. Shanghai Songjiang Station has become a large-scale station where Shanghai-Suzhou-Lake high-speed railway, Shanghai-Kunming high-speed railway and Shanghai-Kunming railway stand side by side. In the future, both high-speed railway and ordinary-speed passenger transport services will be launched. (released in Shanghai)TSMC rose more than 4%, and its first factory in Kumamoto Prefecture, Japan, was close to mass production. TSM.US rose more than 4% at the beginning of the session to US$ 199.98. According to industry sources, TSMC is committed to integrating CoWoS and SiPh, and seeks to launch co-packaged optical devices (CPO) in 2026. In addition, Apple cooperates with Broadcom to develop AI chips, and TSMC's advanced process will welcome big orders again. It is also worth noting that it is reported that TSMC's first factory in Kumamoto Prefecture, Japan is close to mass production. 

Maiwell Technology rose more than 11% to a record high, and announced a breakthrough in customized high-bandwidth memory. Maiwell Technology rose more than 11% in intraday trading to US$ 121.86, with its share price reaching a record high and its market value exceeding US$ 100 billion. Maywell Technology announced on Wednesday that the company has made a breakthrough in customized high-bandwidth memory (HBM) for artificial intelligence processors. It is reported that the new artificial intelligence accelerator architecture (XPU) will increase computing power by 25%, memory by 33%, and improve energy efficiency. The company is cooperating with Micron Technology, Samsung and SK Hynix to customize HBM processors for accelerators.According to HKEx documents, Ganyuan Weike Holdings Co., Ltd. submitted an application for listing to HKEx.The yield of German 10-year government bonds is the biggest weekly increase since mid-April. The yield of German 10-year government bonds hit the highest level since November 25th, at 2.233%.