Wall Street's Best Quarter in Six Years Will Be a Hard Act to Follow

The Dow industrials closed June at a record high. The S&P 500 and the Nasdaq composite rose 15% and 21%, respectively, in the second quarter.

Japanese Yen Falls to 40-Year Low, Pleasing Tourists but Worrying Tokyo

The latest slide has put foreign-exchange traders on high alert for a fresh round of yen buying by Japanese authorities.

Iran's Diverging Priorities Are Jeopardizing U.S. Peace Talks