U.S. stocks were tipped to open higher on Thursday, as a recovery in battered Chinese stocks lifted sentiment, while focus remained on efforts to avert the collapse of Greece. / T. ^8 ^' s5 y% d' J* t4 B $ \6 z% [1 `& v' B+ g( k最近国外的文章笑死我了,中国的股市都能影响美国股市了