Stocks extended declines Friday to close a second straight week in negative territory with geopolitical tensions intensifying to contribute to a further risk-off tone in markets. The S&P 500 fell 0.71{21df340e03e388cc75c411746d1a214f72c176b221768b7ada42b4d751988996} to 4,348.97, building on a 2{21df340e03e388cc75c411746d1a214f72c176b221768b7ada42b4d751988996} loss in the previous session, while the Dow Jones index closed down 0.68{21df340e03e388cc75c411746d1a214f72c176b221768b7ada42b4d751988996} […]