The S&P 500 Index ($SPX) (SPY) Thursday closed unchanged, the Dow Jones Industrials Index ($DOWI) (DIA) closed up +0.59%, and the Nasdaq 100 Index ($IUXX) (QQQ) closed down -0.13%. On Thursday, the stock market settled mixed, with the Dow Jones Industrials posting a new record high. Signs that the economy continues to expand boosted stocks Thursday after the US Q2 GDP was revised higher due to an upward revision of consumer spending, showing that the economy is holding up despite high interest rates. Also, price pressures eased as the Q2 core PCE price index was revised lower. The upward revis…