Advantest stock gains 3.15 percent ahead of the open

At the close on September 24, 2026, Advantest stock gained 3.15 percent as the Nikkei 225 rose 0.76 percent and Advantest led the index contribution ranking.

Advantest stock closed at JPY 16,650 on the Tokyo Stock Exchange on September 24, 2026, gaining 3.15 percent. The Nikkei 225 rose 0.76 percent to 65,513.99, making Advantest's move more than four times the index gain.

September 24, 2026 in numbers

Advantest Corporation (ISIN JP3122400009, Tokyo Stock Exchange: 6857) was among the strongest positive contributors to the Nikkei 225 on September 24, 2026. Kabutan reported that AI and semiconductor shares attracted buying after US technology stocks advanced during the market holiday period.

The Nikkei 225 closed at 65,513.99 after reaching 66,249.11 and falling to 65,407.37. Advantest contributed 243.77 index points, while the broader index gained 495.04 points, according to Kabutan.

September 25, 2026 outlook

Japan's semiconductor and AI shares remain the relevant market theme for Advantest after the September 24 session. The Nikkei 225 finished higher even as the TOPIX fell 0.39 percent to 4,075.30, highlighting the concentration of the advance in large technology and semiconductor names.