---
title: "The Nikkei average index rose by 128 points or 0.3%, Kioxia rebounded by 7%"
description: "The Nikkei Average Index rose by 128 points or 0.3% today, closing at 49,512 points. Semiconductor stock Kioxia rebounded by 7%, while SoftBank and NVIDIA supplier Advantest rose by 1.3% and 1.4%, res"
type: "news"
locale: "en"
url: "https://longbridge.com/en/news/269973697.md"
published_at: "2025-12-17T07:32:01.000Z"
---

# The Nikkei average index rose by 128 points or 0.3%, Kioxia rebounded by 7%

> The Nikkei Average Index rose by 128 points or 0.3% today, closing at 49,512 points. Semiconductor stock Kioxia rebounded by 7%, while SoftBank and NVIDIA supplier Advantest rose by 1.3% and 1.4%, respectively. Wire stocks Furukawa Electric and Sumitomo Electric increased by 1.7% and 1.3%, respectively. Robotics stock Fanuc rose by 2.1%. Heavy industry stock Mitsubishi Heavy Industries fell by 1.6%. The yen weakened, with the dollar rising 0.5% against the yen to 155.48

Japanese stocks today (17th) initially fell before rebounding, with semiconductor stocks seeing buying interest at lower levels, driving the index up. The Nikkei average opened 29 points higher, initially dropped 305 points to a low of 49,077 points before rebounding, rising 188 points to a high of 49,571 points, and ultimately closing up 128 points or 0.3% at 49,512 points.

In terms of AI concepts and semiconductor stocks, memory chip stock Kioxia (285A.JP) rose 7%, SoftBank (9984.JP) and NVIDIA supplier Advantest (6857.JP) rose 1.3% and 1.4%, respectively, while Tokyo Electron (8035.JP) rose 1.1%. Raytech (6920.JP) and Discus (6146.JP) fell 0.4% and 1.1%. Wire stocks Furukawa Electric (5801.JP) and Sumitomo Electric (5802.JP) rose 1.7% and 1.3%, while Fujikura (5803.JP) rose 0.2%.

Robot stock Fanuc (6954.JP) rose 2.1%, while Yaskawa Electric (6506.JP) fell 0.7%. Heavy industry stocks Mitsubishi Heavy Industries (7011.JP) and IHI (7013.JP) fell 1.6% and 1.9%, while Kawasaki Heavy Industries (7012.JP) fell 1.1%. JX Metals (5016.JP) rose 0.9%, while electric power stock Tokyo Electric Power Company (9501.JP) fell 1.7%.

In other stocks, Fast Retailing (9983.JP) rose 0.2%, Toyota (7203.JP) and Ryohin Keikaku (7453.JP) rose 0.6% and 0.7%, while cartoon IP parent company Sanrio (8136.JP) rose 1.5%, and Hitachi (6501.JP) rose 2.1%. Additionally, Rakuten Group (4755.JP) fell less than 0.1%, while Sony (6758.JP) and Mitsubishi UFJ Financial Group (8306.JP) fell 0.8% and 0.9%, and Nintendo (7974.JP) and Panasonic (6752.JP) fell 1.5% and 1.3%.

The Japanese yen fell during the Asian session, with the dollar rising 0.5% against the yen to 155.48

### Related Stocks

- [NVDA.US - NVIDIA](https://longbridge.com/en/quote/NVDA.US.md)
- [SFTBY.US - SoftBank](https://longbridge.com/en/quote/SFTBY.US.md)

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> **Disclaimer**: This article is for reference only and does not constitute any investment advice.