Nvidia rallied 9% on Thursday as its bumper revenue forecast reinforced investor confidence in the AI-driven boom in chip demand, lifting shares across the semiconductor sector.Expectations were high for Nvidia with its shares trading near record highs in the run-up to earnings. The results also capped a strong quarter for US technology giants, including Microsoft, with AI emerging as a major growth driver.“Companies are continuing to increase their capital expenditures, particularly Big Tech, to keep up wi ...