the periodic table of the stock market, sorted by what companies actually do for money.
means the global industry classification standard, a system that sorts every public company into a sector, industry group, industry, and sub-industry so investors can compare like with like.
from built in 1999 by msci and s&p as a joint venture, replacing messier homegrown classification schemes so fund managers worldwide could finally agree on what counts as tech versus what counts as a utility.
amazon reclassification — moved from consumer discretionary toward broader retail scrutiny debates
tesla sector fight — long debated as consumer discretionary versus technology or industrials
real estate 2016 split — gics carved a distinct 11th sector out of financials