Moody's U.S. debt downgrade is raising concerns that investors could reevaluate their appetite for U.S. government bonds, with the potential for rising yields to put pressure on stocks that are trading at elevated valuations.

Yields in the Treasury market are rising, threatening to make it more expensive for consumers and the U.S. to manage debt.

The yield on both 10 and 30-year government bonds rose on Monday after another credit ratings agency downgraded the US on Friday.

If a planned fiscal consolidation in Colombia fails to stabilize public debt and comply with fiscal rules, it could lead to a ratings downgrade for the Andean nation, a top Moody's analyst said on Tuesday.

Moody’s decision to lower the rating on U.S. government debt seems unlikely to shake up the corporate bond market too much.

Moody’s Ratings has joined Fitch Ratings and S&P Global Ratings as the last credit agencies to downgrade the U.S. economy, the world’s largest. The agency cited the country’s

Asian stocks rose on Tuesday while U.S. Treasury yields steadied allowing a bit of a breathing room for the U.S. dollar as investors took stock of the debt load of the world's biggest economy and awaited trade deals.

If the U.S.’s loss of its final perfect credit rating boosts yields on Treasury debt, it likely would boost the cost of borrowing for both companies and consumers.