The S&P 500 Index ($SPX) (SPY) Tuesday closed down -0.50%, the Dow Jones Industrials Index ($DOWI) (DIA) closed up +0.50%, and the Nasdaq 100 Index ($IUXX) (QQQ) closed down -1.38%. US stocks settled mixed on Tuesday, with the Dow Jones Industrials posting a 1-1/2 week high and the Nasdaq 100 falling to an 8-week low. Stocks gave up early gains Tuesday and traded mixed on an escalation of geopolitical risks after Israel’s military struck a Hezbollah target in Beirut, which threatens to widen the conflict in the Middle East and sparked long liquidation in stocks. A slump in chip stocks Tuesday …