Less-than-truckload carrier Old Dominion Freight Line beat first-quarter expectations on Wednesday, noting that demand improved throughout the quarter. Old Dominion (NASDAQ: ODFL) reported first-quarter earnings per share of $1.14, 9 cents above consensus but 5 cents lower year over year. Revenue of $1.33 billion was 3% lower y/y but $20 million ahead of consensus. The result was also better than the top end of management’s guidance range ($1.25 billion to $1.3 billion), which assumed only normal seasona ...