The Biden administration announced a series of new affordable housing initiatives. The plan includes a $100 million fund and expanded Federal Financing Bank support in an attempt to combat the toll high mortgage rates are taking on the housing market. US Treasury Secretary Janet Yellen will sit down with Yahoo Finance for an exclusive interview at 4:45 pm ET to discuss the administration's efforts.On Wall Street, the major indexes (^DJI, ^IXIC, ^GSPC) are mixed, with Nvidia (NVDA) trading nearly 5% lower. Yahoo Finance's trending tickers feature Alnylam Pharmaceuticals (ALNY), Affirm Holdings (AFRM), and AT&T (T). Top guests today include:3:05 p.m. ET - Art Hogan, B. Riley Wealth Chief Market Strategist3:45 p.m. ET - Rishi Jaluria, RBC Capital Markets Software Equity Analyst4:20 p.m. ET - Rene Haas, Arm CEO5:00 p.m. ET -Joe Brusuelas, RSM Chief Economist