why are there so many different cryptocurrencies Top Knowledge graph

Pre-market summaryOn Thursday, the Shanghai Composite Index reported 3461.50 points, up 0.85%, with a turnover of 734.169 billion. Shenzhen Component Index reported 10,957.13 points, up 1.00%, with a turnover of 1,132.74 billion. Growth Enterprise Market reported 2292.15 points, up 1.35%, with a turnover of 510.495 billion. On the whole, stocks rose more and fell less, with more than 3,500 stocks rising in the whole market. The turnover of the two cities was 1.87 trillion, 90.5 billion more than that of the previous trading day. On the disk, retail, ice and snow industry, food processing, insurance and other sectors were among the top gainers, while humanoid robots, Sora concept, mask aligner, steel and other sectors were among the top losers. The market strengthened at 11 o'clock yesterday morning. At present, there are two main reasons: First, since December 15, the personal pension system has been pushed to the whole country, and national debt and index funds have been included in the product range. As a representative of professional institutional investors in the capital market, Public Offering of Fund industry has been entrusted to manage all kinds of pension assets over 6 trillion yuan. The second point is that there will be an economic meeting at the weekend. The market first pulled up China assets, then pulled up Hong Kong stocks, and finally reflected in the A-share market. There are more foreign investors in China assets and Hong Kong stocks, and the news is more sensitive. The prophetic funds have moved, and the weekend meeting may still be good!Pre-market summary

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