From a distance you would think they have very little in common.
However, a chart of Apple vs. the Market Vectors Gold Miners ETF shows "striking similarity," as highlighted by trader Mark Dow, author of the Behavioral Macro blog.
Dow said while one might be a major technology titan and the other is a leveraged play on precious metals, both were objects of excessive enthusiasm in early 2012 when investors flocked to these assets as safe haven trades.
(Read More: Apple Chart Looks 'So Bad That It's Good')