People walk past signs for the Tokyo Metro underground system inside Shimbashi station in central Tokyo on October 21, 2024. Tokyo Metro stock will on October 23 be traded in Japan's biggest initial public offering (IPO) in six years, expecting to raise more than 2 billion USD to pay off government debts dating from the massive 2011 earthquake and tsunami. (Photo by Richard A. Brooks / AFP) (Photo by RICHARD A. BROOKS/AFP via Getty Images)