Treasury yields experienced a broad decline on Monday, with the 10-year Treasury yield, a key indicator of U.S. government borrowing costs, falling by about six basis points to close at 4.688%. The two-year maturity, which often reflects Federal Reserve policy expectations, decreased by just under four basis points to 4.254%, while yields on 30-year Treasury bonds dropped by more than four basis points, finishing at 5.232%. This downward movement across all maturities was largely attributed to a sharp fall in crude oil prices, which alleviated recent inflation concerns.

The decline in oil prices, including Brent crude trading 5% lower at $83.47 a barrel and US West Texas Intermediate dropping over 5% to $79.47 a barrel, followed news that diplomatic efforts to de-escalate tensions in the Strait of Hormuz were progressing. This development eased fears of an immediate inflation shock and provided a "friendlier rates environment," as noted by Investing.com Canada. Lower oil prices reduce the immediate pressure on inflation and give the Fed less reason to maintain a hawkish stance, potentially tempering expectations for future rate hikes.

The bond market's reaction suggests that falling oil prices and diplomatic progress are easing some of the concerns that led to a recent surge in yields. Last week, the 30-year yield had hit its highest level since 2007, partly due to a perceived "hawkish hold" from the Federal Reserve and elevated oil prices. While traders are still monitoring the Fed's next moves, the current environment has provided breathing room for the bond market and offered a tailwind for technology stocks, which are sensitive to changes in real yields.