As 2025 winds down, leading tech stocks once again helped lead the market higher by double-digit percentages. Continued strong momentum in the sector should continue through December and into 2026, making now a good time to look at two tech stocks to see if they are worth buying before the end of the year.

Nvidia

While Nvidia ( NVDA 0.64% ) is starting to face increased competition, it is still the king of artificial intelligence (AI) infrastructure. The company's graphics processing units (GPUs) are the prime chips used to power AI workloads, and the company has over 90% market share in the GPU data center space.

The biggest challenge to Nvidia is coming from custom AI ASICs (application-specific integrated circuits), which are pre-programmed chips that are hardwired to per

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