https://www.cnbc.com/2019/04/02/bitcoin-spike-blamed-on-an-april-fools-joke-but-thats-not-why-it-rallied.html

Bitcoin wasn't immune to April Fool's Day jokes.

One prank in particular got some credit for boosting the price of the world's largest cryptocurrency. After bitcoin broke above $5,000 on Tuesday, its highest level of the year, some blamed trading algorithms designed to buy or sell based on news. As some speculated, robots triggered a buying frenzy after an April Fool's Day article by Finance Magnates outlined an "emergency meeting" by regulators over the weekend to approve a bitcoin exchange traded fund.