 Shares of Blue Apron Holdings Inc. APRN, -4.17 tumbled 16.4 toward a record low in premarket trading Monday, after the meal kit company reported a wider-than-expected loss and missed revenue expectations, as orders and customers declined, and withdrew its full-year outlook. Net losses narrowed to 25.75 million, or 74 cents a share, from 27.64 million, or 1.17 a share, in the year-ago period. 