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　　国盛证券指出，周二，大小指数全天走势分化，权重走低拖累沪指，上证50、沪深300均跌逾1%，创业板指前高强势震荡，两市普跌格局，3100多家个股下跌，热点题材回落、板块轮动承接较差，资金风险偏好降低。总体来看，目前宏观面、流动性、情绪面都难以支持A股向上突破，市场重新寻求确定性。操作上，沪指3600点附近震荡盘整，没有明显的系统性风险，6月以来更多的呈现出板块轮动，关键点位会有一个反复拉锯的过程，建议投资者控制仓位...

开栏的话布谷声中夏令新，黄浦江畔湘韵浓。我国自2017年将每年5月10日设为“中国品牌日”以来，连续5年在上海举行中国品牌日活动，旨在打造中国知名自主品牌，讲好中国品牌故事。2021年中国品牌日活动将

 E-Mail IMAGE: Tanner Upthegrove (right), media engineer in the Institute for Creativity, Arts, and Technology inside the Cyclorama in The Cube in 2018. Upthegrove is principal investigator for two projects funded by... view more  Credit: Virginia Tech Led by Virginia Tech, the Commonwealth Cyber Initiative's (CCI) Southwest Virginia node received eight multidisciplinary grants to advance the field in research areas such as 5G, artificial intelligence, and automated systems, paving the way for additional extramural funding. Twenty-seven cybersecurity research collaboration grants fu...