Morning Scan: Can Fed Go Negative?; BNP Paribas Cold on Energy

Receiving Wide Coverage ... Yellen vs. Congress, Round 1: Caution was the word during the first of two days of Federal Reserve Board Chair Janet Yellen's semiannual testimony before Congress. While she wouldn't signal the central bank's plan as far as interest rates are concerned, she did confirm that falling stock prices and the volatility seen in other financial markets concern the Fed. But Yellen did not give way to doomsday predictions either. While she expressedÂ...