Business · Markets · 1 hr ago
Tokyo stocks finish mixed as AI investment worries weigh
Tokyo stocks finished mixed on Monday, with the Nikkei down and the broader Topix slightly higher.
The Nikkei briefly fell below 64,000 yen for the first time in about a month, then recovered some ground as investors bought shares that had dropped.
Worries about the cost of AI investment returned after U.S. data center operator CoreWeave’s shares fell again, renewing doubts about whether companies can earn back what they spend on AI infrastructure.
Rising oil prices, with U.S. crude futures above $100 a barrel, also weighed on market sentiment amid concerns about energy supplies.
The Nikkei ended down 407.59 points, or 0.62%, at 64,916.70, while the Topix rose 0.04% to 4,067.48.
Investors are looking to upcoming earnings for signs that AI-related concerns may ease, while U.S. Federal Reserve and Bank of Japan policy meetings are scheduled for next week.
Tokyo shares pared early losses on Monday as futures buying and buybacks supported the market.
The Nikkei 225 briefly fell by more than 2 percent and dropped below 64,000 for the first time in about a month.
The Nikkei closed down 407.59 points, or 0.62 percent, at 64,916.70.
The broader Topix index ended 1.48 points higher at 4,067.48.
Concerns about the cost and returns of artificial intelligence investment, along with rising oil prices, weighed on sentiment.
- Who
- Investors in Tokyo stocks, including short-term traders and buyers of declining shares.
- What
- The Nikkei fell but pared its losses, while the Topix finished slightly higher.
- When
- Monday, October 19, 2026.
- Where
- Tokyo, Japan.
- Why
- Concern about heavy AI investment and rising oil prices pressured shares; futures buying and buybacks helped reduce losses.
This story does not have two clearly opposing sides.
The Nikkei opened sharply lower and briefly fell by more than 2 percent, slipping below 64,000.
The Topix Prime Market had recorded estimated trading value of 3.6487 trillion yen and volume of 1.037 billion shares.
The Nikkei narrowed its decline to around 480 points as futures losses eased and South Korea’s KOSPI turned positive.
The Nikkei ended down 407.59 points at 64,916.70, while the Topix closed up 1.48 points at 4,067.48.
- Nikkei close
- 64,916.70, down 407.59 points or 0.62 percent
- Topix close
- 4,067.48, up 1.48 points or 0.04 percent
- Intraday low threshold
- The Nikkei briefly fell below 64,000
- Prime Market turnover at 12:45 p.m.
- Estimated 3.6487 trillion yen
- Crude oil pressure
- West Texas Intermediate futures rose above $100 per barrel
9 sources
Borsa: Tokyo, apertura in calo (-0,41%)
Tokyo stocks mixed on AI investment concerns, buybacks
東証後場寄り 日経平均は一段と下げ幅縮小 韓国株切り返しで先物買い
What people are saying
Buyback momentum was not particularly strong as (investors) need to see whether those AI-related concerns can be eased by upcoming earnings results.