Nvidia has claimed it is "a generation ahead" of rivals in the artificial intelligence (AI) industry amid growing suggestions a rival may emerge to threaten to its market dominance - and multi-trillion dollar valuation. Shares in the chip giant fell on Tuesday, following a report Meta planned to spend billions on AI chips developed by Google to power its data centres. In a statement on X, Nvidia, the world's most valuable company, said it was the only platform which "runs every AI model and