Price and volume need to move together for the signal to be meaningful. If price is moving but volume isn't keeping up, that's a red flag.
Take this example: a certain whale opened maximum-leverage long positions in 1,822 BTC and 15,270 ETH, $BTC , with $1.845 billion in trades.
The bearish news is already out in the open. Now it all comes down to how the market prices it in.