Feb 27 : Block shares soared more than 20 per cent in premarket trading on Friday after it announced it would nearly halve its workforce as part of an overhaul to embed artificial intelligence tools across its operations. The layoffs are the most visible signs of how the U.S. fintech industry is navigating the impact of AI, with its CEO, tech billionaire Jack Dorsey, warning that most companies were "late" to realize the emerging technology's potential. "At its core, it's about how some