5.13：变盘节点，周二午后A股有望继续调整

Group 1 - The major indices of the A-share market are expected to adjust after a period of optimism following favorable news announcements [1][2] - The Shanghai Composite Index and the ChiNext Index are highlighted for analysis, with a focus on their recent performance and potential adjustments [2][6] - The Shanghai 50 Index shows signs of adjustment with a notable reduction in trading volume, indicating insufficient upward momentum [5][8] Group 2 - The ChiNext Index has experienced a relatively strong performance but lacks significant trading volume, suggesting limited upward momentum [8] - Both indices are at critical turning points, with the potential for further adjustments in the near term [5][8] - The current A-share market environment allows for structural opportunities in individual stocks, provided the overall trend remains stable [8]