(Close): US shares have closed lower as a heavy week of results and economic data gets underway.
General Electric was the day's biggest loser on the Dow, shedding more than 3%. The company said last Friday that it would offload most of its banking business, sending shares up 11%.
Netflix was the biggest riser on the S&P 500, up 4.4%, following an upgrade by UBS from "neutral" to "buy". The video streaming company is worth almost $27bn (£18.4bn).
On Tuesday, the Commerce Department releases retail sales data for March, and inflation figures are out on Friday.