Investor enthusiasm for artificial intelligence is lifting technology stocks around the world, with several markets and companies touching record territory.

The rally has been especially pronounced in Japan. According to marketscreener.com, Japan's Nikkei index posted its sharpest weekly gain in nearly two years, driven by a surge in AI-related shares. StoneX reports that the country's AI boom has sent chipmakers soaring to fresh record highs, underscoring how central semiconductor companies have become to the trade.

In the United States, Investopedia frames the moment with a pointed question: tech stocks are "on fire right now," but can they get any hotter? Much of the optimism is tied to expectations around AI earnings. Pluang reports that Alphabet's stock is seen rising 20%, with AI and cloud growth expected to power strong earnings and a robust revenue outlook.

The frenzy extends beyond public equities. Yahoo Finance Australia reports that SpaceX has joined what it calls an "AI bond frenzy," a sign that appetite for AI-linked assets is spilling into debt markets and private companies.

Not every headline is uniformly bullish. An MSN piece weighs the best AI stocks to buy, comparing Nvidia and Broadcom, and notably references buying "during the stock market crash" — a reminder that opinions on valuation and timing diverge even amid the rally.

Why it matters: AI has become the single biggest force moving global markets right now, meaning the fortunes of ordinary investors and pension funds are increasingly tied to whether the technology's lofty earnings expectations actually pan out.