英伟达产业链冲高回落，谷歌OCS继续飙升，高手怎么看大盘？

Group 1 - The stock market experienced a rise and then a decline on November 27, with notable gains in the semiconductor sector led by companies like Saiwei Electronics and flu-related stocks such as Guangji Pharmaceutical achieving a four-day consecutive rise [1] - The trading volume in the Shanghai and Shenzhen markets reached 1.7098 trillion yuan, a decrease of 73.6 billion yuan compared to Wednesday [1] - Participants in the simulated stock trading competition, "掘金大赛," showed strong performance, with the competition running from November 17 to November 28, and the next round starting on November 29 [1][3] Group 2 - The cash rewards for the competition include 688 yuan for the first place, 188 yuan for the second to fourth places, and 88 yuan for the fifth to tenth places, with additional rewards for monthly leaderboard winners [3] - Participants can join a dedicated WeChat group for sharing market insights and investment strategies after registering for the competition [3] - A technical analysis indicated that the Shanghai Composite Index broke key support levels on November 21, leading to a cautious market sentiment and a recommendation to control position risks [3] Group 3 - Participants in the competition receive benefits such as free access to the "火线快评" service for six trading days, which provides insights on market trends and company analyses [4] - The "火线快评" has highlighted significant gains in sectors like the NVIDIA supply chain, rare earths, and tungsten, with some companies experiencing price increases of up to 200% [4]