Indices closed with gains on Thursday. Stocks stepped up on a variety of news. U.S. GDP growth slowed slightly in the first quarter. Real GDP grew 2% versus 2.9% in the fourth quarter and the 2.2% and 2.3% growth reported for the prior two months. In M&A action, news of Amazon’s acquisition of online pharmacy startup PillPack impacted healthcare brands such as CVS and Walgreens Boots Alliance, both traded lower for the session. On another note, initial jobless claims increased. Department of Labor figures showed new claims rose to 227,000 from 218,000 in the week ended June 23.