ASGN (ASGN) shares were down 6.4% in recent Monday trading after Jefferies downgraded the company's stock to underperform from hold and cut its price target to $42 from $53.
Trading volume stood at more than 645,000 shares, compared with daily average of about 517,000.
Price: 49.44, Change: -3.40, Percent Change: -6.43