What are your thoughts on $wnbd? It's not on moo moo though.....

New to the stock market and the question.
So everything share I have purchased I have chosen the option day instead of good till canceled, I don't know the difference. Day is what was marked when I began this journey so I left it that way. Now that Im learning a little and I mean a little everything I have brought I want to hold for a long time. Am I loosing money by leaving on day instead of good till canceled?