ryder system inc’s stock r slid 2 in premarket trade wednesday after the supply chain transportation and fleet management company’s firstquarter earnings fell short of estimates in a continued weak freight market miami flabased ryder posted net income of 139 million or 294 a share for the quarter down from 176 million or 335 a share in the yearearlier period adjusted pershare earnings came to 281 below the 296 factset consensus revenue rose 3 to 2952 billion but also missed the 2985 billion factset consensus “pricing actions benefited all segments while revenue growth benefited earnings