[Analyst: If the tech boom faces issues, Japanese stocks will plummet] According to a report by Golden Finance, analysts have stated that tech giants are highly concentrated in the benchmark markets of the Asia-Pacific region. The top five stocks in the Nikkei 225 Index account for approximately 38% of the total weight. 'If there are any issues with the AI or semiconductor boom, the Nikkei Index will immediately plummet,' said Takehiko Masuzawa, Head of Equity Trading at Phillip Securities Japan. 'I do believe we will continue to see more corrections and increased volatility.'