XPO Logistics Inc.’s smooth ride on Wall Street is turning into a roller-coaster, with the freight and logistics company roiled by a negative short-seller report and a pullback in its earnings outlook that sent its shares into a tailspin. On Friday, XPO announced its first-ever stock buyback, a $1 billion share purchase program that could shore up a stock that has lost nearly half its value this year and would signal confidence to investors who are already jittery as this year’s hot freight market shows signs of cooling....

Source: Wall Street Journal December 16, 2018 14:03 UTC