CE 100 Index gained 1.7% in a holiday-shortened week, driven by investor enthusiasm for AI-related news.Enablers segment surged by 2.6%, with C3.ai shares rising by 17% after reporting positive fiscal fourth quarter results.Meta reorganized its generative AI team to accelerate product rollouts, leading to a 3.3% increase in shares.In the Pay and Be Paid segment, Mastercard and Visa saw gains after launching digital tools and enabling Visa Click to Pay in new markets.