Fed watchers await Janet Yellen testimony on Hill By: CNBC.com News July 14, 2014 at 18:51 PM EDT Fed Chair Janet Yellen could keep the rally rolling Tuesday, but if there are any surprises, traders expect a violent reaction. Read More >> Related Stocks: Citigroup Comerica Commerce Bancshares Goldman Sachs Group Intel Corp Interactive Brokers JPMorgan Chase & Co Johnson & Johnson Mitsubishi Corp Pinnacle Finl Ptnrs Sentinelone Inc Cl A Yahoo