Low-priced stock that sells at less than $1.00 per share. Often highly-speculative and volatile, such as start-up mining companies. While, in general, penny stock are considered high-risk securities, some penny stock mature into less-speculative investments. All penny stock are traded over-the-counter.
In its natural form, cork is also a very good fire retardant, although cork dust is actually extremely flammable (because here the cell structure has been broken down). Impermeable: Cork has a magic chemical in its cell membrane that makes it completely impermeable to liquids and gases.
While unpleasant to taste cork taint is not in any way harmful to humans. It dulls the fruit in a wine, renders it lacklustre and cuts the finish. The obviousness of the corked smell and taste depends both on the extent of the taint as well as the wine drinkerâs sensitivity to it.