Penny stocks are tricky. Very often the real asset value of a penny stock is not reflected in the pps. The true value of intellectual property, potential patents, etc. often are never seen on the balance sheet. It's very difficult to put a dollar amount on a patent application or a New Drug Application to the FDA. Thus, penny stocks can rise 300% to 1,000% in one or two days. Why? Because the value of the asset is suddenly acknowledged by the market. Either a major patent has been awarded or the FDA approved the drug for market. Of course, many times the 300% or 1,000% rise in the pps in a penny stock will disappear in days--but not always. My 500% calculation is based on my belief that this Dr. Chain has the magic bullet to cure or at least ameliorate Alzheimer's disease. His work is widely acknowledged in the medical community as significant in the Alzheimer's area. If I am correct, the value of the patent ILNS holds concerning Alzheimer's will skyrocket exponentially--a 500% increase would be a conservative estimate. In any case, the potential gain is worth playing ILNS in my opinion. Good luck.