Group 1 - The U.S. Treasury is set to announce its debt refinancing plan for the second quarter, with a borrowing estimate of $514 billion, which is $391 billion higher than previous estimates due to lower-than-expected cash balances at the beginning of the quarter [1] - Analysts expect the Treasury to maintain its auction size for the fifth consecutive quarter, with a focus on any changes in forward guidance that could influence market direction [1][2] - Treasury Secretary Yellen's previous reliance on short-term debt has been criticized, and market participants are keen to see if Secretary Becerra will alter this approach in the upcoming refinancing meeting [2] Group 2 - The Treasury has been conducting bond repurchases since May 2024 to enhance market resilience and liquidity, currently repurchasing up to $30 billion of inactive securities monthly [3][4] - There is speculation that the Treasury may increase the scale of long-term bond repurchases to as much as $30 billion to improve liquidity, reflecting a more flexible approach to market interventions [4] - Concerns have been raised regarding the risks of active Treasury market interventions, with some analysts arguing that such actions should be the responsibility of the Federal Reserve rather than the Treasury [4]