Across the board

concerning everyone; having an affect on all categories; entirely

Adverb
1. including all; "we got a pay raise across the board"
(pertainym) across-the-board, all-embracing, all-encompassing, all-inclusive, blanket(a), broad, encompassing, panoptic, wide

Adjective
1. broad in scope or content; "across-the-board pay increases"; "an all-embracing definition"; "blanket sanctions against human-rights violators"; "an invention with broad applications"; "a panoptic study of Soviet nationality"- T.G.Winner; "granted him wide powers"
(synonym) all-embracing, all-encompassing, all-inclusive, blanket(a), broad, encompassing, panoptic, wide
(similar) comprehensive

Movement or trend in the stock market that affects almost all stocks in all sectors  to move in the same direction.

affecting all people, applies to everything We want a salary increase across the board - for all positions.