nvidia makes computer chips needed for artificial intelligence software, and demand for its products has boosted its sales and profits over the last few years. many investors believe its earnings can grow even more, which has caused its share price to soar, though some have questioned its sky high valuation. let s get more on this from our business reporter sura njana tewari. this was the story yesterday. take us through what happened to. , , . , , take us through what happened to. , , ., , , ., to. this is a big number for ou, to. this is a big number for you, 591,000%. to. this is a big number for you, 591,000%. that - to. this is a big number for you, 591,000%. that is - to. this is a big number for| you, 591,000%. that is how to. this is a big number for - you, 591,000%. that is how much nvidia s stock has increased in value since it went public in the early to thousands. now the chip company has surged its way all the way to the top of the stock market, dethroning anot