What is the full name of APM?

Excuse me, could you please clarify what you mean by "APM"? There are multiple acronyms and abbreviations that could stand for APM, ranging from fields such as project management, finance, and even technology. Without further context, it's difficult to provide a precise answer. Could you please elaborate on the specific area or industry in which you're referring to APM, so I can give you the full name of the appropriate acronym?