This post is interesting.

$USUAL The technical phases of a dump (rapid and often brutal drop in the price of an asset) generally follow a logical sequence that can be anticipated or analyzed with technical indicators and market behaviors. Here is a detailed analysis of the phases of a dump:

1. Accumulation and preparation (Pre-dump phase)
Features :
Before the dump, important actors (often whales or insiders) begin to accumulate or manipulate the asset.
Massive buy orders (buy walls) artificially support the price.