The disclosure of a PHP vulnerability prompted funds to flow into cybersecurity-related stocks, with 5 stocks bought even as the Nikkei average fell sharply.
In Tokyo trading on 22 October, the Nikkei average fell ¥1,713.40 from the previous day, recording a sharp decline, while cybersecurity-related stocks rose against the market trend and attracted fund inflows. Of the 5 stocks that attracted attention, Trend Micro rose 8.69% and was highlighted as a major contributor.
A serious vulnerability was disclosed in PHP, which is used on websites worldwide. As Prime Minister Takaichi (高市) and the National Cybersecurity Office called for a swift response in Japan, views spread that demand for countermeasures would increase. This strengthened expectations that companies would step up investment in system inspections, vulnerability assessments, and protection and monitoring.
As the importance of AI-enabled defense increases, cybersecurity-related stocks are expected to attract fund inflows as key defensive plays in the AI arms race. Trend Micro provides protection for servers and cloud environments, as well as virtual patching capabilities, attracting investor attention.
The article covers the disclosure of the PHP vulnerability and the resulting expansion in demand, the Nikkei average's performance, the movements of leading stocks, and points to watch going forward.