Nvidia ( NVDA 0.21%) is one of the most widely followed stocks today, and it's easy to see why. Its lead in the artificial intelligence (AI) accelerator market supercharged its revenue growth and made it the largest semiconductor stock, as measured by market cap, next to Apple.

Nvidia stock was rising ahead of Friday’s opening bell, putting it on course to reverse some of its losses from a tough previous session. Shares in the chip maker rose 1.4% to $135.39 in premarket trading,

Nvidia rose on the last trading day before Donald Trump's presidential inauguration. Nvidia stock is retaking the 21-day moving average on Friday. But the recent sell-off has taken its toll. Shares remain below the 50-day moving average.

Nvidia (NASDAQ: NVDA) has become the second-largest company in the world, with a market capitalization of $3.3 trillion as of this writing. The terrific demand for artificial intelligence (AI) chips is playing a key role in helping the chipmaker achieve this position.