I have some buy orders on HE that are heavily buried. When it started to go up in value I kept putting in a buy order just a little lower for it to come down. None of my buy orders have been filled and the price has only gone up.
I'm glad I started posting on here 3 weeks ago, as the price has gone out of my buying range at this point. (I likely will regret not buying here as I see it going up further).