板块方面，航天系、航母、军工央企，国防军工、电力设备、建筑工程等行业以及概念涨幅居前；有色 ·钴、有色·锑、有色·锌、证券、能源金属、非银金融等行业以及概念跌幅居前。 经济观察网 1月8日，A股三大指数集体下跌，截至收盘，上证指数跌0.07%，深证成指跌0.51%，创业 板指跌0.82%；北证50涨0.81%。沪深两市成交额约28003.85亿元，较前一个交易日缩量约538.35亿元。 全市场3731只股票上涨、1595只股票下跌，其中111只涨停、6只跌停。 ...

Group 1 - The A-share market showed a mixed pattern on July 2, with a total of 60 stocks hitting the daily limit up, and the overall success rate of limit-up stocks was 79% [1] - The focus of the market was on several strong-performing stocks, including Zhejiang Dongri in the brain-computer interface sector, which achieved its 7th limit-up in 12 days [1] - The marine economy sector performed notably well, with stocks like Shenwater Haina and Kelaite reaching their limit-up, while the aquaculture sector saw multiple stocks, including Guolian Aquatic and Zhangzidao, also hitting limit-up [1] Group 2 - The photovoltaic equipment sector received a net inflow of 4.491 billion yuan from main funds, ranking first among all industries [2] - Traditional industries such as steel, food and beverage, and energy metals also attracted significant attention from funds [2] - In contrast, the semiconductor sector faced a net outflow of 6.792 billion yuan from main funds, along with other tech sectors like communication equipment and software development experiencing outflow pressure [2]