S&P also bumped up Amazon’s credit rating one notch to ‘BBB-‘ from ‘BB+’, citing the company’s “strong brand, robust performance, and improved credit-protection metrics” during a “difficult retail environment.” In other Amazon news, Mark Bertils puts the lack of Kindle availability in Canada, the UK, and other territories squarely on the shoulder of Jasper Wireless, which is Amazon’s direct wireless partner, not Sprint: “I am willing to bet that Amazon’s contract with Jasper is exclusive. For the Kindle to grow, Jasper has to grow. And the MVNO market is dead everywhere but in the US and Jasper’s specialty — machine-to-machine […]