 Shares of Krispy Kreme Inc. DNUT, -0.89 sank 8.8 toward a two-month low in premarket trading Wednesday, after the donut seller reported fiscal second-quarter results that missed expectations and provided a downbeat outlook, amid unique economic pressures faced by consumers. The net loss for the quarter to July 3 narrowed to 3.85 million, or 2 cents a share, from 17.14 million, or 13 cents a share, in the year-ago period. 