证券之星消息，3月27日，雷科防务（002413）融资买入290.74万元，融资偿还673.1万元，融资净卖出382.36万元，融资余额3.33亿元，近20个交易日中有11个交易日出现融资净买入。 融券方面，当日无融券交易。 融资融券余额3.33亿元 ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...