analysts said tech giants are extremely concentrated in benchmark markets in the Asia-Pacific region. The top five stocks in the Nikkei 225 Index account for about 38% of the total weight. "If there are any issues with the artificial intelligence or semiconductor boom, the Nikkei index will immediately plummet," said Takehiko Masuzawa, head of stock trading at Phillip Securities Japan. "I do believe that we will continue to see more corrections and increased volatility."
