Major stock indexes in the United States fell further below the flatline on Tuesday with Treasury Secretary Janet Yellen’s and Federal Reserve Chair Jerome Powell’s testimony in focus. The Dow Jones Industrial Average dropped 1.00%, losing 348 points at 10:11 am ET, while the Nasdaq 100 crashed 2.04% or 309 pts. The S&P 500 slid 1.43% at the same time, surrendering 63.64 pts. The euro was down 0.16% against the greenback at 10:13 am ET, selling for 1.16765 dollars.