The Dow Jones Transportation Average rose more than 8.4% in November to set a new high. Most components saw gains, with only two moving lower. The median movement is near 6%, the mean is nearly 9%, and the leading names advanced by high double-digits in the 30-day and 90-day lookback periods. This is important for the transportation sector and the broad economy because good times for transportation stocks generally mean good times for all.  More significantly, according to Dow Theory, the transportation ind ...