Japan's stock market saw a robust rally this morning, driven primarily by the Bank of Japan's ongoing hiking cycle, which marks a significant shift in policy direction. The BOJ's move to raise its policy rate to 1.00% has injected renewed confidence into the market, encouraging investors to re-evaluate valuations and sector prospects. This shift has underpinned a broad-based advance across the Tokyo Stock Price Index (TOPIX), which climbed 1.55%, while the Nikkei 225 also gained 1.39%. Notably, TSE:7011 surged 5.42%, the largest mover today, highlighting strong single-stock momentum amid this changing monetary backdrop.

Sector-wise, the hiking cycle has supported financial stocks, with major banks such as MUFG (8306), SMFG (8316), and Mizuho (8411) all posting gains above 1.6%. The rate increase tends to improve bank profitability by expanding net interest margins, which investors are rewarding. Meanwhile, exporters, including Toyota (7203), Honda (7267), Nissan (7201), Sony (6758), and Hitachi (6501), also advanced between 1.2% and 3.1%. The gains in these sectors reflect optimism about corporate earnings growth and renewed investor appetite for cyclical names benefiting from stable monetary conditions.

The yen's performance this morning was a key factor supporting exporters. Although specific yen exchange rates are not detailed here, the market’s positive response to the BOJ hike typically strengthens the currency or at least reduces volatility, which helps exporters by improving their overseas earnings visibility and reducing currency risk. This environment encourages buying in major exporters like Toyota and Nissan, whose share prices rose solidly alongside the broader market.

Overnight Wall Street closed without new major catalysts, with the Federal Reserve maintaining its rate on hold at 3.75%, following three consecutive steady moves. The Reserve Bank of Australia and the European Central Bank remain in hiking cycles, while the Bank of England is on hold. These global policy stances have contributed to a relatively stable backdrop that allowed Japan's market to focus sharply on its own central bank’s policy shift. Market participants will watch the BOJ's next meeting scheduled for September 18, 2026, for further clues on the direction of monetary policy. Investors should also monitor any earnings updates this week for confirmation of improving corporate fundamentals supporting this rally.