Stocks remained mixed in early afternoon trade in the stock market today. The Nasdaq was up less than 0.1%, while the S&P 500 and the Dow Jones industrial average fell 0.3% and 0.2% respectively. Volume was up on both major exchanges vs. Friday's below-average trade. Blue chips were mostly down with McDonald's (MCD) showing the best gain in the Dow, up 1% in heavy volume. The stock is working on a first-stage base with a potential buy point at