Shares of WD-40 (WDFC -0.66%) initially rose 12% last Tuesday after the company announced earnings, but gave back all those gains, and has traded flat since then.

But, while some investors are concerned about whether WD-40's growth actually supports its valuation, there is one big reason shares of this company trade at a relative premium, says Fool contributor Steve Symington in the following interview with the Fool's Alison Southwick.

But what do you think? Please watch the video below to get Steve's full take, then tell us in the comments section below whether you think WD-40 is a buy.