Mid-Morning Market Update: Markets Edge Lower, Costco Profit Beats Wall Street Expectations

Following the market opening Tuesday, the Dow traded down 0.01 percent to 14,446.37 while the NASDAQ fell 0.14 percent to 3,248.45. The S&P also fell, dropping 0.11 percent to 1,554.56. Index Technicals: The S&P 500 has been defending its 50 EMA on the 10 minute chart with some strength, while it has