Japan' key stock indexes ended at all-time highs on Thursday, driven by firm technology issues amid hopes for robust artificial intelligence-related demand.The 225-issue Nikkei Stock Average rose 845.45 points, or 1.77 percent, from Wednesday to close at 48,580.44, finishing above the 48,000 line for the first time. The broader Topix index gained 22.11 points, or 0.68 percent, to 3,257.77, ending at a record high for a fourth straight day.On the top-tier Prime Market, the main gainers were information and communication, securities house and nonferrous metal issues.The U.S. dollar remained f…READ FULL ARTICLE