2Vaccine research and development institutions in China, the United States, and the United States have both announced new progress, further boosting vaccine concept stocks in the marketAExpectations of continued activity in stocks and US stocks. Its COVID-19 vaccine is expected to7月份开始启动最终阶段的临床试验。受此影响,美股再度大涨。预计七月份对黄金市场也造成的剧烈的冲击,金价会大幅冲高!