36氪获悉，A股三大指数集体低开，沪指低开0.74%，深成指低开1.05%，创业板指低开1.22%；光模块、半导体领跌，剑桥科技、长光华芯跌超4%，联讯仪器、天孚通信跌超3%；水产、机械涨幅居前，百洋股份涨超6%，中国动力涨超3%。
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