Foxconn's earnings release comes just a week after Microsoft announced that it expects to spend $80 billion on AI data center infrastructure in its FY 2025. This was huge news for investors, as it confirms that Silicon Valley's AI arms race is not winding down any time soon.

Key Takeaways Shares of Monolithic Power Systems are down over 30% since its last earnings report at the end of October.The company's fourth-quarter outlook and reports that its sales to Nvidia could decline sent shares sharply lower in the last months of the year.

Investors were not impressed by Nvidia's quarterly performance and outlook even though it handily beat Wall Street's expectations thanks to the booming demand for its artificial intelligence (AI) chips.

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 (NVDA) has solidified its position as a leader in the technology industry, especially within the semiconductor space. No other semiconductor company has experienced growth as explosive as Nvidia’s.