Stocks close out rocky quarter with solid gains

Wall Street ended a wobbly week with broad gains Friday, closing the books on June with its biggest monthly gain since January.June marked a sharp about-face from May, when traders fled to safer holdings because of increased anxiety over the trade war between the U.S. and China, and signs of slowing global economic growth.Despite lingering worries over trade, investors pushed stocks higher for much of this month after the Federal Reserve raised expectations that it is prepared to cut interest ra