Goldman Sachs Financial Conditions Index (GS FCI) is an aggregated measure of borrowing cost, equity wealth effect, dollar valuation, etc.  Tighter financial conditions today constraint future economic growth, and easier financial conditions fuel future borrowing (consumption and investment) and boosts exports.

FCI has many useful applications

Inflation – the core central bank policy objective shared by many global central banks

PCE and Core PCE vs. Core CPI and OER

Federal Reserve balance sheet, Bank excess reserves, and monetary base are useful gauges in effects of central bank policies

U.S. wage growth (or as the FED would put it, labor compensation):

There are many more, but they are usually better covered by financial reporters (for example, the Payrolls data, ISM Manufacturing and Non-manufacturing indices, Industrial Production, Housing Starts…)