Morning Market Movers

Arkansas Best

rose 28.73% to $13.58 after the company's subsidiary reached a tentative agreement with Teamsters. YRC Worldwide

climbed 26.03% to $13.80. YRC Worldwide posted a narrower Q1 loss. Sypris Solutions

moved up 13.09% to $3.61. Sypris Solutions is expected to report its Q1 financial results on May 14. TSR

jumped 12.66% to $3.47. TSR shares have dropped 29.52% over the past 52 weeks, while the S&P 500 index has gained 17.92% in the same period.