The Dow/Nasdaq ratio closed Monday at 5.428, which just barely passed the peak from August 8, 2006. The ratio is now at its highest level in 3-1/2 years.
I should add that the ratio has been very steady over the past few years. Here's a chart of the ratio going back to 1980:
Over the last 15 years, that ratio has been between 4.5 and 5.5 for 74% of the time.