Group 1 - A-shares experienced a collective decline on December 16, with the Shanghai Composite Index down by 1.11%, the Shenzhen Component Index down by 1.51%, and the ChiNext Index down by 2.1%, with a total market turnover of approximately 1.74 trillion yuan [1] - Aerospace electronic stocks surged, with Aerospace Electronic (600879) hitting the daily limit and achieving a turnover exceeding 10 billion yuan, closing with over 180,000 hands of orders [1] - Aerospace Electronic announced a cash capital increase of 727.5 million yuan for its subsidiary, Aerospace Changzheng Rocket Technology Co., aiming to enhance its comprehensive capabilities and address funding needs for key technology research and development [1] Group 2 - The recent strengthening of the RMB against the USD is attributed to several factors, including the Federal Reserve's interest rate cuts leading to a weaker dollar and a robust current account surplus in China, which supports the RMB's fundamentals [2] - The RMB has been considered undervalued since 2017, with a potential systemic undervaluation of approximately 6% compared to the weakening of the USD index, suggesting a significant appreciation of the RMB against the USD in the next 6 to 12 months [2]