Dow Jones barely notches sixth straight record high close

It was a mixed day on wall Street as investors digested recent gains and sold banks that have been big winners in the "Trump rally" that has seen the S&P 500 rise about 5 percent so far in 2017, with the Dow Jones Industrial Average up 4 percent. Signs of an improving economy and promises by President Donald Trump to cut corporate taxes and reduce financial regulations have been behind much of the recent gains. Now, with a strong fourth-quarter earnings season mostly complete, many investors