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Nikkei slips 0.86% as AI chip stocks retreat after hitting 70,000

Nikkei slips 0.86% as AI chip stocks retreat after hitting 70,000
Markets · 2026
Photo · Marcus Devlin for Daily Digest Invest
By Marcus Devlin Equities Correspondent Oct 7, 2026 3 min read

Japan's Nikkei stock index slipped Wednesday, giving back some of its recent gains as investors locked in profits in AI-related chip stocks. By the midday break, the Nikkei was down 0.86%, while the broader Topix index fell 0.59%. The pullback came after the Nikkei briefly topped 70,000 for the first time in three months, a milestone that triggered a wave of profit-taking.

Why the pullback?

The selling was concentrated in semiconductor and AI names, which had led the recent rally. Tokyo Electron, a major chipmaking-equipment company, fell 2.81%, while chip-testing firm Advances dropped 1.7% after setting a record high earlier. These stocks had surged as investors bet on continued demand for AI infrastructure and advanced chips.

According to GSCI Asset Management, an investment manager, profit-taking often appears at the start of Japan's fiscal half-year, and that tendency is stronger after a sharp run-up. The Nikkei had risen nearly 5% this month before Wednesday's dip, so some investors may have decided to cash in gains.

Context: Japan's market momentum

The Nikkei's recent climb to 70,000 reflects a broader optimism about Japanese equities, driven by strong corporate earnings, a weak yen that boosts exporters, and growing interest in AI-related technology. However, such rapid gains often invite profit-taking, especially when indices hit round-number milestones.

Japan's market has also been influenced by monetary policy. The Bank of Japan has signaled possible rate hikes, which could affect borrowing costs and the yen. A stronger yen would hurt exporters, while higher rates might cool some of the speculative enthusiasm. Investors are watching these factors closely.

What it means for investors

For everyday investors, this pullback is a reminder that markets rarely move in a straight line. Even strong rallies can pause as investors take profits, especially after a sharp advance. The key is to focus on the underlying fundamentals rather than short-term price swings.

AI and chip stocks remain a major theme globally, and Japan is a key player in the semiconductor supply chain. While Wednesday's dip is notable, it doesn't necessarily signal a change in the long-term trend. Investors should watch whether the selling continues or if buyers step in at lower levels.

Also worth noting: Japan's real wages rose 1.5% in August, though the pace is cooling, which could affect consumer spending and the broader economy. And the 10-year government bond yield recently dipped to 3.085% despite BOJ hike signals, suggesting some uncertainty about the pace of policy tightening.

Looking ahead

Market participants will likely keep an eye on global tech earnings and any news about AI demand. The recent AI IPO buzz and Marvell's outlook have helped keep chip stocks steady, but profit-taking can happen at any time.

For now, the Nikkei's dip appears to be a normal correction after a strong run, rather than a reversal. Investors should stay diversified and avoid making impulsive decisions based on a single day's move.

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