The AI chipmaker Nvidia, the world’s most valuable company and the engine of the artificial-intelligence boom, rolled out another set of quarterly results on Wednesday to investors’ delight.The company, whose value has soared by $2.2tn this year to $3.6tn on the back of near-doubling of chip sales, said it had sales of $35.08bn, against expectations of $33.15bn.Analysts anticipated Nvidia to report earnings of $0.75 per share; the company reported $0.81. Shares of Nvidia fell about 5% in extended trading fo ...