The S&P 500 Index ($SPX) (SPY) today is down -0.10$DOWI) (DIA) is down -0.15%, and the Nasdaq 100 Index ($IUXX) (QQQ) is down -0.17%.  March E-mini S&P futures (ESH26) are down -0.11%, and March E-mini Nasdaq futures (NQH26) are down -0.17%. Stock indexes are slightly lower today as the market struggles for direction in thin year-end trading.  Higher bond yields are negative for stocks as the 10-year T-note yield is up +2 bp to 4.13%.  Losses in stocks are limited by s ...