It's a matter of perspective of course.... These words stood out for me!

in exchange for the potential of explosive growth.

Unfortunately, with PTSC this seems to be more of the key...

Penny stocks are very risky speculative stocks issued by companies with short or erratic performance histories. These stocks are so named because they sell for under $5 per share. Their low price appeals to investors willing to assume a total loss in exchange for the potential of explosive growth