今日A股为何跳水大跌？科技股重挫，原因是什么？大跌会延续吗？|a股|股市|护盘|上证指数_网易订阅AI科技板块大跌原因 特别声明：以上内容 (如有图片或视频亦包括在内)为自媒体平台"网易号"用户上传并发布，本平台仅提供信息存储服务。 Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of NetEase Hao, which is a social media platform and only provides information storage services.