On March 20, Boc International (China) Co.Ltd(601696) released a research report, saying that at present, the main indexes of A-Shares have basically digested the valuation premium brought by overseas liquidity investment. In terms of range, the adjustment of A-Shares is basically in place. With the stabilization of China's credit cycle in the future, the market rebound trend is determined. At present, the market is in the bottom grinding stage after oversold rebound, which is the time point for the next round of market layout. From the perspective of profit valuation and cost performance of the current main styles, the cost performance advantages of growth styles are prominent, and the current layout on the left is at the right time.