The trend has changed but it doesn't mean that we shouldn't think that the big bear market won't happen. Elon entering the crypto market is a big thing but we don't have an assurance that the momentum won't be break. Elon is now even one of the reasons that can trigger a bear market if he wants. As to how he created a trend, with just one negative tweet from him, it can start a market breakout.

Don't mind the 2018 bear market. Focus on the current one.