MicroStrategy, the business intelligence firm best known for commitment to stockpiling bitcoin, saw its shares leap by 24% on Monday as the price of the world's most popular cryptocurrency by market cap passed $67,000.

At market close, MicroStrategy's shares traded at $1,334.01, according to Yahoo Finance, though it immediately tumbled by roughly $100 from that amount just a minute after the bell. Michael Saylor, the company's co-founder and executive chairman, posted on X at 4:05 p.m. that the company was going to propose a private offering of $600 million in convertible notes.  

MicroStrategy's massive portfolio of bitcoin is currently worth more than $13 billion. As of 4:05 p.m. ET, bitcoin was up 7.5% in the past 24 hours and trading at a price of $67,624, according to The …