纠错／补出处
《伯克希尔第2季净利19.7亿同比下滑40%http://www.sina.com.cn 2010年08月07日 14:20 新浪财经》的留言 #18618
卖puts相当于卖保险，老巴先收了"保费"49亿。Buffett says in his letter, “Our put contracts total $37.1 billion (at current exchange rates) and are spread among four major indexes: the S&P 500 in t...
勾选需要更正的栏位，填写建议值和理由。也可只填写问题说明或补充出处。维护者审阅后才会修改档案。