India, July 31 -- Japanese Stock Market (JP225) Today Live Update (July 31): The Nikkei 225 Index surged nearly 5% to around 65,000 on Friday, building on the previous session's strong gains as Wall Street's rally and a global rebound in semiconductor stocks boosted investor confidence. Optimism over the artificial intelligence (AI) sector strengthened after better-than-expected earnings from Microsoft and Amazon reinforced expectations of continued investment in AI infrastructure. In Japan, Advantest soared another 17% after increasing its annual operating profit forecast by 35%, supported by strong demand for AI chip-testing equipment. Other major technology stocks also posted sharp gains, including Tokyo Electron (+8.4%), Kokusai Elect...