美股詳情

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盛大科技

2.34

-0.0500-2.09%

盤後：2.340.00000.00%18:44 EST

成交量：58.16萬

成交額：138.51萬

市值：2.39億

市盈率：-20.76

高：2.44

開：2.36

低：2.31

收：2.39

52周最高：5.17

52周最低：1.54

股本：1.02億

流通股本：3,355.11萬

量比：1.33

換手率：1.73%

股息：- -

股息率：- -

每股收益(TTM):-0.1127

每股收益(LYR):-0.7153

淨資產收益率：-8.55%

總資產收益率：0.41%

市淨率：8.21

市盈率(LYR):-3.27

資料載入中...

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Inc.、开心汽车涨幅较大，开心汽车、中驰车福、优品车较为活跃，换手率分别为2.02%、1.81%、0.26%，振幅较大的相关个股有中驰车福、索尼克汽车、车之国公司，振幅分别为4.03%、3.78%、1.18%。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"tencent","url":"http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20251023213146973ea5d9&s=b","rn_cache_url":null,"customStyle":"body{padding-top:10px;}#news_title{font-weight:bold;#titleStyle#;}#news_description span{font-size:12px;#descriptionStyle#;}.footer-note{#statement#}","selectors":".mod-LoadTzbdNews, body","filters":".relate-stock, .hot-list, .recom-box, 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1Gbps 激光傳輸","url":"https://stock-news.laohu8.com/highlight/detail?id=2566262060","media":"IT之家","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2566262060?lang=zh_tw&edition=fundamental","pubTime":"2025-09-10 14:11","pubTimestamp":1757484664,"startTime":"0","endTime":"0","summary":"IT之家 9 月 10 日消息，科技媒体 TechSpot 今天发布博文，报道称美国太空军太空发展局携手 Kepler 通讯、通用原子电磁系统公司，首次实现飞机与低轨卫星间 1Gbps 激光数据传输。OCT 通过激光与由 Kepler 制造、SDA 运营的低轨卫星建立连接，实现了峰值 1Gbps 的双向数据传输。这一速度虽未达到理论最高的 2.5Gbps，但已是空-天通信的历史性突破。该 OCT 配备直径 30 厘米的天线与 10 瓦激光器，理论上可在 5500 公里距离下，以每秒 25 度的跟踪速率锁定 LEO 目标，并实现 2.5Gbps 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