Stock MarketStock Market Today, April 27: Rally Stalls at Midday as Iran Talks Falter11 hours agoS&P 500 (SNPINDEX:^GSPC) slipped 0.09% to 7,158.70, the Nasdaq Composite (NASDAQINDEX:^IXIC) fell 0.26% to 24,772.02, and the Dow Jones Industrial...