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苹果的市值在100天内缩水了3700多亿美元，几乎是特斯拉的6.3倍。_我的网站

A | 据外媒1月13日报道，苹果股价自去年第四季度以来一直在下跌。    While scientists and science fiction authors alike have long dreamed of sending crewed missions to Mars, a new study suggests these plans may hit a snag – a big one.,The authors of a yet to be peer-reviewed study argue that the participants of such a mission to Mars would end up being exposed to radiation – namely, to “energetic charged particles from Galactic and Solar origin” – both while in transit and while on the planet itself, with the “thin spacecraft shield” and “rarefied Martian atmosphere” offering little in the way of protection.,The research team attempted to gauge the impact of a simulated 1,000-day mission to Mars on various organs of the human body, and concluded that astronauts may be exposed to radiation doses above one Sievert, which is over the safe limit set by most space agencies, New Scientist points out.,“We suggest mitigation strategies such as improved ways of shielding and dietary supplements, and make recommendations for the safety of astronauts in future crewed missions to Mars,” the team wrote in the abstract of their work available on the arXiv preprint server.,Ideas about how astronauts may be protected from radiation during a mission to Mars have already been proposed, such as the concept of a radiation shield comprised of a fungus found growing at the Chernobyl Nuclear Power Plant.,Last year, one architecture studio even unveiled a project for a self-sufficient and sustainable city that would be built on the red planet itself.。其市值在100天内缩水超过3700亿美元，相当于6特斯拉的市值。苹果的市值在100天内下跌了3700多亿美元，几乎是上周五特斯拉收盘价的6.3倍，当时美国股市收盘价为152.29美元，比上一次收盘价153.8美元下跌了1.51美元，跌幅0.98%。10月3日，周五前100天，苹果股价收于232.07美元，较周五的152.29美元下跌79.78美元，跌幅34.38%。在100天下跌34%后，苹果的市值也大幅缩水，上周五收于7203.02亿美元。

B | 在11月5日提交给美国证券交易委员会的文件中，苹果披露，截至2018年10月26日，其流通股为474539980万股，根据股价下跌的程度，其市值在100天内缩水了3785.88万美元。

C | 多年来，苹果一直是全球市值最大的公司，成为世界上第一家市值超过1万亿美元、一次高达1.1万亿美元的科技公司，但股价下跌后，其市值急剧缩水。去年12月，按市值计算，它放弃了世界最大公司的称号。目前，按市值计算，苹果距离世界上最大的公司还有很长的路要走。上周五收盘时，全球市值最大的公司亚马逊的市值为802.182亿美元，比苹果低818.8亿美元。

D | 上周五收盘时，苹果市值为7203.02亿美元，位居世界第四，谷歌母公司微软和Alphabet分别以7891.15亿美元和7403.3亿美元的市值位居苹果榜首。

E | 值得注意的是，苹果的市值在100天内缩水了3700多亿美元，超过了世界上许多公司的市值。目前，它的市场价值超过3700亿美元，包括亚马逊、微软、Alphabet和苹果，以及伯克希尔哈撒韦、Facebook、腾讯和阿里巴巴。特斯拉在电动汽车领域取得了显著成就，是目前美国最大的汽车公司，上周五收盘时市值为596.36亿美元。苹果的市值蒸发了3700多亿美元，几乎是特斯拉市值的6.3倍。

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