TMTPOST — Lenovo Group Ltd. shares jumped 13% in Hong Kong trading on Friday after the personal computer manufacturer reported fourth-quarter and full-year financial results that blew past consensus expectations, powered by an exceptional acceleration in artificial intelligence enterprise spending. The hardware giant's global performance underscored a massive cyclical recovery across the tech sector, showing that corporate and consumer buyers are actively upgrading their digital infrastructure to support local artificial intelligence workloads. According to its official corporate declarations, Lenovo achieved a record fourth-quarter revenue of $21.6 billion, representing a 27% year-over-year increase that marks the company's fastest growth rate in five years.