(Bloomberg) -- X-Energy Inc., a nuclear energy firm that counts Amazon.com Inc. as a backer, raised $1.02 billion in an upsized US initial public offering that priced above the marketed range.Most Read from BloombergAnthropic’s Mythos Model Is Being Accessed by Unauthorized UsersInside Alex Cooper’s Unwell: Tears, Screaming and Employees Looking for the ExitMeta Tells Staff It Will Cut 10% of Jobs in Push for EfficiencyMicrosoft Offers Buyouts to About 7% of US WorkersTrump Encourages Companies