Stock prices fell and Fed Chair Jerome Powell expressed caution with respect to further interest rate reductions on Tuesday.gettyStock prices fell and Fed Chair Jerome Powell expressed caution with respect to further interest rate reductions on Tuesday.The large-cap S&P 500 index fell 0.6% while the technology-focused Nasdaq Composite dipped nearly 1%. The Dow Jones Industrial Average, focused on blue-chip stocks, fell 0.2%. Powell’s conservative outlook contributed to a retreat from record-high stock price ...