U.S. Treasuries declined on Monday, ending a five-day runup amid a few credit worries and the eagerness of investors to seek out riskier investments, with two-year note yields reaching their lowest levels in over two years.

Two-year notes fell 4/32 to 100 10/32 with a yield of 3.83, up from 3.81 percent on Friday.

The 10 year Treasury note was down 6/32 from 102 26/32 at the start of the trading session, yielding 4.40 percent but flat from it's Friday close.

Stocks were slightly down on Monday after steep losses at the end of last week. There remain some concerns over shaky credit markets and how they could affect the broader economy.

During the weekend, the Institute of International Finance indicated that a proposed new fund worth $100 billion meant to create a market for distressed mortgage-backed securities and other debt should be a transparent. Banks are attempting to sell are creating their own market in a bid to ward off sale of debt at fire-sale prices.