The possibility exists that they will be delisted, as does the possibility that the stock will do a 100 for 1 split.
The questions you need to ask yourself are;
1-what are the possibilities of either one of those outcomes, or an outcome other than that. Then make your investment accordingly.
2-Ask yourself why does someone plant the seed of a particular outcome in your mind, what is their motive. Then make your investment accordingly.
I have done both, and with my HARD earned cash have acted and stand by my decision and will not be persuaded or dissuaded by those I feel have an agenda other than to provide pertinent information to me for my own evaluation.
My sentiments are reflected in my sentiment disclosure below.