S&P 500 dips, but Dow Jones sets another record.
Corporate earnings reignite investors’ optimism in economic growth.
S&P, Nasdaq on course for records also
Nasdaq Composite index also climbed to record.
Earnings totaled $28.8 million, an increase of 9 percent from 2015.
Dollar hits 7-week low.
Trump inauguration, earnings news affect market.
Stocks ended slightly lower on Wall Street.
Most listless stretch of trading in more than 3 years continues.
Weakness in bank stocks leads indexes lower on Wall Street.