Group 1 - Norinchukin Bank has adopted an "extremely cautious" stance towards purchasing Japanese government bonds due to significant losses from investments in US Treasuries [1][3] - The bank reported a loss of 1.8 trillion yen (approximately 12.6 billion USD) for the fiscal year ending in March, compared to a profit of 63.6 billion yen in the previous year [3] - The bank's unrealized bond losses were 1.24 trillion yen as of March 31, down from 2.2 trillion yen a year earlier [1][3] Group 2 - The new CEO Taro Kitabayashi is focused on rebuilding the bank's 40.3 trillion yen securities portfolio after the resignation of the former CEO due to the previous year's losses [3] - The bank is exploring other asset classes to include non-interest-sensitive assets in its investment portfolio, with investments in bonds, credit, and alternative assets [6] - The bank's holdings of mortgage-backed securities increased from 8.2 trillion yen to 8.3 trillion yen, accounting for 20% of its investment portfolio as of March 31 [6]