Few major companies have tried to pull off a pivot to AI as swiftly as Kuaishou Technology.Long known as a laggard to ByteDance Ltd.’s TikTok in short video streaming, Kuaishou has in 18 months revamped itself and made strides into the field of AI-generated video. Its shares have surged 88% in value over the past year, with excitement about the global potential of its Kling video generator sparking another double-digit jumpBloomberg Terminal this week....