Mid-Afternoon Market Update: Boyd Gaming Rallies as Amazon Falls After Disappointing the Street

Toward the end trading Friday, the Dow traded down 0.82 percent to 15,719.79 while the NASDAQ tumbled 0.39 percent to 4,107.85. The S&P also fell, dropping 0.52 percent to 1,784.90. Top Headline MasterCard (NYSE: MA ) reported weaker-than-expected fourth-quarter earnings. MasterCard's quarterly profit surged to $623 million, or