Nvidia becomes world's most valuable firm, 15 days after losing title to Apple

Nvidia reclaimed its position as the world's most valuable company by market capitalisation from Apple just 15 days after losing the top spot. Its shares rose 2.93% on Friday to close at $200.75, lifting its market value to $4.86 trillion. Apple fell 7.35%, reducing its market capitalisation to about $4.54 trillion. Apple shares fell after the company announced quarterly earnings.