Stocks finish mixed amid Italy worries

Stocks were mixed Tuesday, with the Dow closing in on record highs, as trade tensions eased and after Italy quarreled with the European Union over its budget. Facebook weighed on the tech-heavy Nasdaq, days after the social-media giant announced a major security breach. The dollar jumped against a basket of peers, and Treasury yields fell. 
Here's the scoreboard:
Dow Jones industrial average: 26,778.35 +127.14 (+0.48%)S&P 500: 2,924.22 −0.37 (-0.01%)
Nasdaq Composite:&n