Group 1 - The core viewpoint of the article is that Tongtai Fund predicts an unprecedented bull market in the A-share market, with the Shanghai Composite Index potentially reaching 10,000 points, indicating a possible increase of about 194% from the current level of around 3,600 points [2][4] - The DDM model presented by Tongtai Fund supports the prediction, with two models indicating significant upside potential for the A-share market. The zero-growth model suggests a 35% upside, while the stable growth model indicates a 194% upside based on a dividend growth rate of 1% [4] - The performance of Tongtai Fund's products has been relatively strong this year, with several funds showing positive returns, such as Tongtai Vision A with a year-to-date return of 54.10% [5][22] Group 2 - Tongtai Fund's investment strategy involves frequent changes in the top holdings of its funds, with the Tongtai Vision Mixed Fund showing a tendency to replace its top ten holdings regularly [10][22] - Despite the strong performance of some funds, there are concerns about the overall investment strategy, as the Tongtai Vision Mixed Fund has experienced significant losses in previous years, indicating a low success rate in stock selection [14][15] - The article highlights that many funds under Tongtai Fund have concentrated positions in specific sectors, which may lead to increased volatility and risk [22]