which started the year at under $500 a share and closed on wednesday at over $1,200 a share. that is just such a huge jump in a short time. it rose over 5% in value on wednesday alone, giving it the market cap of just over $3 trillion. let's hear more from our north america business correspondent erin delmore. wall street's on a record—breaking run. the latest — all—time—high closes for the s&p 500 and the nasdaq. the latter powered by — you guessed it — nvidia. the chip—makerjoined the $3 trillion club on wednesday, overtaking apple as the world's second—most—valuable company. microsoft is still the world's number one. nvidia is only the third company to ever exceed $3 trillion in market value. it's leading in the race