WATCH: White House economic advisor Cecilia Rouse testifies before the Senate Banking committee

White House economic advisor Cecilia Rouse testified before the Senate Committee on Banking, Housing and Urban Affairs on the state of the American economy.

Watch the hearing in the player above.

Stocks and bond yields sank Thursday as markets remained anxious over the possibility that Russia could invade Ukraine.

The S&P 500 fell 2.1 percent, its biggest drop in two weeks. Technology stocks led the way lower, pulling the Nasdaq down 2.9 percent. Investors shifted money into low-risk U.S. government bonds, pushing yields lower. The yield on the 10-year Treasury fell to 1.96 percent.

Markets are unsettled by Russia’s buildup of troops near Ukraine, and U.S. President Joe Biden said there was a high risk that Russia would invade the country. European markets closed lower. Walmart rose after reporting strong results.