Regencell Bioscience(US:RGC) Ge Long Hui·2026-01-05 09:22Group 1 - The core viewpoint of the news is that Brain Rejuvenation Technology (RGC.US) stock surged nearly 44% in pre-market trading, driven by the excitement around brain-computer interface technologies, particularly following Elon Musk's production forecast [1] - The relationship between Brain Rejuvenation Technology and brain-computer interfaces can be understood as an upstream and downstream connection in the medical field, where "repairing hardware" and "establishing connections" are interlinked [1] - The surge in interest for brain-computer interfaces has led to a chain reaction effect, benefiting related technologies like brain rejuvenation due to their shared narrative of "brain technology" [1] Group 2 - RGC's pre-market price reached $29.550, reflecting a 43.87% increase, while the closing price was $20.540, down 2.19% [2] - The stock's trading volume was 200,600 shares, with a market capitalization of $10.157 billion [2] - The stock has a 52-week high of $83.600 and a low of $0.093, indicating significant volatility in its price history [2]