Nvidia stock spiked on Tuesday. The AI chip titan said it had received assurances from the administration that it can resume sales of key AI chips to China.

The explosive increase in demand for high bandwidth memory chips has been a major catalyst for Micron. The company is well positioned to capture a significant share of the $130 billion high bandwidth memory market.

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.

Dow Jones futures edged lower after hours, along with S&P 500 futures and Nasdaq futures. United AirlinesUAL reported mixed results late Wednesday. NvidiaNVDA and AMD chipmaker Taiwan SemiconductorTSM headline earnings early Thursday with NetflixNFLX due after the close.

Nvidia just became the first company to reach a $4 trillion market cap. Analysts project Nvidia to grow earnings per share at high rates for several more years. It's difficult to find any companies that have benefited from the growth of artificial intelligence (AI) like Nvidia (NASDAQ: NVDA).

Meanwhile, Alphabet, the parent company of Google, stood out with the highest net inflows and a 113 per cent rise in unique investors during the same period on the Vested platform.

High-profile tech names in Alphabet ( GOOG, GOOGL ), Meta ( META ), Nvidia ( NVDA ), and Microsoft ( MSFT) have advanced an average of 35% in the past three months, according to Yahoo Finance analysis. The top two performers are AI darlings Nvidia and Meta, which have logged respective gains of 52% and 41%.

Nvidia stock's surge looks poised to accelerate because investors' biggest concern about the company -- losing the Chinese data center AI chip market -- is now a non-issue.

Explore Advanced Micro Devices, Inc. & Nvidia Corporation's AI potential. Click for how AMD's cost-effective GPUs are good, but NVDA's valuation & uptrend shine.