Navitas Semiconductor stock jumped thanks to bullish news for Nvidia today. Nvidia announced that it would receive approval to sell its H20 processors in China, and the news helped power valuation gains in the semiconductor industry.

Nvidia's shares have climbed back to all-time highs as investors regain optimism in its AI infrastructure business. Generative AI will change the world. With shares up more than 50% since the start of April,

AMD stock soars 8% after unveiling its powerful MI350 AI chips, signaling a bold challenge to Nvidias dominance in AI hardware. Backed by HSBCs upgrade and a price target boost to $200, AMD is finally stepping out of Nvidias shadow.

Investors have been drawn to SoundHound because the company is tapping into an expanding conversational AI market that is estimated to be worth $152 billion by 2033. SoundHound's tech can handle a range of tasks, including customer service calls over the phone and ordering meals in the drive-thru, and so far, business has been booming.

Nvidia briefly reached a market capitalization of $4 trillion on Wednesday, making it the first company in the world to reach the milestone and solidifying its position as one of Wall Street's most-favored stocks.

Nvidia (NASDAQ: NVDA) proved naysayers wrong yet again as the company became the first one to hit a $4 trillion market capitalization. However, the market seems unsure today as NVDA stock is bouncing back and forth at that valuation, which may indicate that Wall Street is pricing it in as a ceiling.

Nvidia ( NVDA 0.53%) has demonstrated its ability to deliver major growth to investors, soaring 1,400% over the past five years. It's been a must-buy stock due to its leadership in a market set to reach into the trillions of dollars a few years from now; that's artificial intelligence (AI).