Elon has different levels of manipulation and as the richest person in the world, what he writes on his X account will be very influential.

Now DOGE is increasingly being reviewed by Elon and also stands for Department of Government Efficiency,
which is an American presidential commission requested by Trump. Involving the DOGE name is certainly the best way to promote DOGE continuously.

And for other crypto whales, they have a huge amount of assets that are able to shake the price well when they start buying and selling and some whales are also using the mainstream media as a place to spread FUD and news in order for the crypto market to be affected.