电子商务巨头亚马逊公司在7月15日和16日开启今年的Prime会员日销售活动，该活动预计将吸引数以百万计寻求特价商品的消费者。
尽管有人批评该公司在其员工待遇方面的措施，但显然亚马逊公司的发展十分迅猛。
亚马逊公司在财年第一季度的营收为597亿美元，盈利达36亿美元。
云计算
AWS云计算服务业务持续快速增长是该公司业绩财报中最重要的部分。
亚马逊公司在去年首次突破1万亿美元市值的大关，该公司的市值在今年7月9日约为9610亿美元。
竞争对手的做空比率高企
体现亚马逊在零售市场统治地位的另外一个观察角度是：看看投资者如何交易这家巨头的竞争对手们——传统零售商。
Bespoke投资集团汇总了标普500指数中公司的数据并制作出统计表格，该表格显示出29家成为做空者目标的公司。
下表中显示的是做空比率超过10%的标普500指数公司名单。
其他零售商的表现
在列表中排名首位的是奢侈品零售连锁商Nordstrom（股票代码：JWN），Bespoke投资集团的数据显示该零售商股票的做空比率达22%。
Bespoke投资集团的列表上的其他零售商包括Under Armour（股票代码：UAA），科尔百货（股票代码：KSS），梅西百货（股票代码：M），Gap（股票代码：GPS）公司以及富乐客公司（股票代码：FL）。
我认为这个列表显示出亚马逊对整个零售业洒下的长阴影。
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