In this video from Tuesday's edition of Investor Beat, host Chris Hill and Motley Fool analysts Mike Olsen and Morgan Housel dig into the top business and investing stories from the market today.

Janet Yellen made her first appearance before Congress as Federal Reserve chief, during which she stressed a "great continuity" in strategy as she takes over for Ben Bernanke. Wall Street was obviously pleased with what it heard, with the Dow, Nasdaq, and S&P 500 all up today. In the lead story on today's Investor Beat, the guys discuss the new Fed chief, what the Fed will look like under her administration, and how Fed chiefs have historically proved their mettle in times of crisis.

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