Net sales of $26.9 million, up 17% from prior year Loss from continuing operations of $1.7 million Backlog increases by 27% in the quarter and by 40% year-to-date to $62.7 million as of July 31, 2017 NILES, Ill., Sept. 19, 2017 (GLOBE NEWSWIRE) -- Perma-Pipe International Holdings, Inc. (NASDAQ:PPIH) announced today financial results for the second quarter ended July 31, 2017. CEO David Mansfield commented, “For the second consecutive quarter this year the earnings from continuing operations...