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.
Report Abuse. Wine must be stored on its side to keep the cork moist and tight against the bottle neck. If a bottle is stored upright, the cork will eventually dry out and shrink, exposing the wine to the dangers of oxidation and vinegaring.Bubbles will escape from Sparkling wines causing them to 'go flat' as well.eport Abuse. If air gets to the wine, the wine can spoil. If the cork dries out, air will get in. Storing the bottle on its side will keep the cork wet and will help keep it from drying out. . Source(s): I am a wino. .