Wall Street dipped on Friday as a robust jobs report raised the probability that the U.S. Federal Reserve will increase its key interest rate at this month’s monetary policy meeting. All three major U.S. indexes closed lower amid a broad selloff ahead of the three-day holiday weekend. For the week, the indexes were essentially unchanged. The Labor Department’s August employment report showed the U.S. economy added 162,000 jobs last month, nearly three times the 56,000 consensus, while the…