Group 1 - The Nasdaq 100 index's annual reconstitution is approaching, with market valuations at the end of the week determining changes, indicating that the outcome is nearly set [1] - Walmart has announced it will move its listing to the Nasdaq, which is expected to lead to its inclusion in the Nasdaq 100 [1] - The stock market has shown a rally, particularly with the Dow Jones index performing well, despite overall weekly losses [2] Group 2 - The stock market experienced a downturn influenced by Nvidia and Bitcoin, while Walmart and Google showed strength [4] - Nvidia's earnings have contributed to a boost in tech optimism, suggesting that the tech sector may not be advisable to short at this time [4] - Mixed results from NetEase's third-quarter performance have led to fluctuations in its stock [4]