I'm subscribed to a bunch of newletters as I like hearingvarious opinions. Anyways, one in particular that aligns with my investing techniques is Insufficient Capital. It seems to be a high quality of in depth research (Ireckon it may be worth a subscribe).
Why I bring it up is that this month's article featured APTand had some great discussion about the company:
https://mailchi.mp/169dbc2f4b75/insufficient-capital-june-update