If you have a position on a "rejected" stock you should do one of the following.

Are you long that stock?
If you are long a rejected stock, you keep it until you hit your protective stop. You should not add more new position or pyramid on this stock.

Are you in order with that stock?
If the stock is only "in order" (you only have a buy order), you can cancel your order because it is not good any more to add new position to it.