Monty RakusenThere has been no shortage of issues at major aircraft OEMs Airbus (EADSY) or Boeing (BA), but those headwinds haven’t prevented ATI (NYSE:ATI) from leveraging this upturn in aerospace and generating meaningfully better margins than in past years. With that, these shares have done alright since my last update, climbing more than 25%, though other specialty alloy rivals like Carpenter (CRS) and Universal Stainless & Alloy Products (USAP) have done even better. I do have some concerns that th ...