Sector early indicator? Media sector, only occasionally.

The Media sector, a Consumer Discretionary sub-sector - here represented by Disney (DIS, in purple) and Comcast (CMACSA, in blue), - only occasionally act as an early indicator against the broader market (here represented by the DJIA in gray, and the NASDAQ in black)... falling from peaks: prior to the end of May 2007, prolonged 5 months of weak underperforming prices in 2017, a month and a half of weak underperforming prices around Nov 2019.