Bitcoin is bubbling again

The cryptocurrency has risen to over $7,000 per coin and is up almost 80% year-to-date.

Buyer beware: Bitcoin remains well below its highs at the end of 2017 when it raced near $20,000 per coin. Bitcoin bull Yves Lamoureux, president of behavioral research firm Lamoureux & Co., told Axios on May 2 he had completely exited his Bitcoin position and said Sunday he is now holding short positions on some digital currencies.

Go deeper: Bears are out for bitcoin