After a harsh winter, the U.S. economy rebounded in the second quarter, due to an increase in consumer spending and a recovery in international trade.   The announcement reverses fears earlier this year that the U.S. economy would shrink.   Thursday, the U.S. Department of Commerce said that GDP grew at a 2.3 percent annual rate for Q2 of 2015. The government also said GDP in the January-March period grew 0.6 percent, a marked improvement over the predicted 0.2% decreased.   This pattern is familiar: in the past, the economy has underperformed in Q1 and ra...

• Economy