 Big Lots Inc. shares s big rose 2.6 premarket Tuesday, after the wholesaler posted a narrower-than-expected second-quarter loss and sales that edged ahead of consensus. The Columbus, Ohio-based company had a net loss of 84.2 million, or 2.91 a share, for the quarter to July 30, after earnings of 37.7 million, or 1.09 a share, in the year-earlier period. 