Mid-Afternoon Market Update: Markets Mixed as iRobot Surges

Toward the end of trading Tuesday, the Dow traded up 0.06 percent to 15,894.40 while the NASDAQ rose 0.01 percent to 4,029.33. The S&P also fell, dropping 0.17 percent to 1,783.07. Top Headline FactSet Research Systems (NYSE: FDS ) reported a 4.8% rise in its fiscal first-quarter profit and issued a