FIGI13 — 6.2.x (6.2.6 Market Sector Added

to add new 6.2.x (6.2.6 Market Sector:
A market sector is a category of a financial instrument that provides a general categorization based on prevailing industry conventions, such as Equity based versus currency based instruments. A set of individuals that are members of the class “MarketSector” are maintained by the Registration Authority and have an association with the “SecurityType” class.