Japan's equity markets are catching momentum this week. The Nikkei index climbed 3% as artificial intelligence-related stocks led the rally, while a weakening yen provided additional tailwinds for exporters and tech companies. When currencies depreciate, it typically benefits overseas earnings for multinaneous firms—a dynamic that tends to spill into risk sentiment across global markets, including digital assets. The combination of AI enthusiasm and macro stimulus effects remains a key driver for risk-on trading.