(Reuters) -Broadcom shares jumped 7% in premarket trading on Friday, as an upbeat outlook for artificial intelligence revenue and CEO Hock Tan’s pledge to stay on for five more years reassured investors betting on the chipmaker’s custom silicon strategy. The firm, one of the world’s most valuable chipmakers, has become a key player in the generative AI boom by designing custom semiconductors for cloud giants seeking alternatives to Nvidia’s GPUs. The company on Thursday said it has secured over $10 billion in AI infrastructure orders from a new customer, with Tan forecasting “significantly improved” AI revenue growth in fiscal year 2026.