ATT at the breakup was my very first stock purchase. It provided a lot of great lessons.
It had so many split-offs - Lucent, Agere A & B, Avaya , etc. Like most people's first stock investment, it was a disaster, but more importantly, it was a best lesson I every had.
A man cannot understand the art he is studying if he only looks for the end result without taking the time to delve deeply into the reasoning of the study.