Old Dominion Freight Lines (ODFL) hit a rough patch in 2007 to 2009, but it's back on the growth track as economic conditions have improved. The 78-year-old provider of trucking and logistics services has delivered double- to triple-digit profit growth in the past 11 quarters. Sales have grown by double digits for 10 straight quarters. Last month, Old Dominion beat expectations with record third-quarter results, despite having one less day in the