A-shares close: Sci Tech 50 index rises 5.47%, briefly approaching historical highs today On May 6th, Jin Shi Data reported that the three major stock indexes of A-shares opened high and went up, with a general upward trend. The Sci Tech Innovation 50 Index rose over 9% in early trading, approaching historical highs; The ChiNext Index surged in volume, continuing to reach a new high in nearly 11 years. As of the close, the Shanghai Composite Index rose 1.17%, the Shenzhen Component Index rose 2.33%, the ChiNext Index rose 2.75%, and the Sci Tech Innovation 50 Index rose 5.47%. The transaction volume of the Shanghai and Shenzhen stock markets was 3.23 trillion yuan, an increase of 485.9 billion yuan from the previous trading day. On the market, hot topics quickly rotated, with over 3800 individual stocks rising in both markets and super white stocks hitting the limit up. Storage chips continue to explode, with more than 10 stocks including Jiangbolong, Zhaoyi Innovation, and Tongfu Microelectronics hitting the daily limit up; PET copper foil concept stocks rose sharply in the afternoon, with Defu Technology hitting a new high with a 20cm limit up, Copper Crown Copper Foil and Wanbang Shares following suit, and Haiguang Information hitting a new high with a 20cm limit up at one point.