Shares in Krispy Kreme see their biggest rise in two years as revenues at the doughnut retailer jump 9%. Overall revenue was up 9.0% to $132.5m for the first quarter ending 3 May, with the bulk of this improvement being driven by its US stores. Sales at its US outlets climbed 5.2%, trouncing analyst expectations and sparking a buying frenzy for its shares. Krispy Kreme now operates 1,003 stores worldwide, up 17.3% against the same quarter last year. Boss Tony Thompson sees no signs of this growth slowing. He said: "Internationally we signed agreements in Cambodia, Guatemala, and South Africa as part of our goal to enter a total of six new countries this year."