STOP HUNTING is a strategy that force some market participant out of their position by driving the price of an asset to level where many individuals have to set their stoolies order.market makers triggering stop losses generally leads to high volatility and provide unique opportunity for investors who seek to trade in this environment.
Fore is zero sum game if SMART MONEY(banks) wants to a buy currency pair they will need sellers in the market,the existing existing facility to place these position in the market is called LIQUIDITY.
the liquidity is defined as stop loss, where the stop losses exist is where liquidity also exist.
Smart money needs to activate the stop losses of existing orders in the market so that they can place their position.