Sector early indicator? No: Natural Resources, not really.

By dartde
The Natural Resources sector - here represented by BHP (in green) and Rio Tinto (RIO, in orange) - does not generally act as an early indicator against the broader market (here represented by the DJIA in gray, and the NASDAQ in black)... only possibly during the fall in their share prices over Jul and Aug of 2018.
BHPDJIdjiaNasdaq Composite Index CFDminingnasdaqresourcesRIOTrend Analysis