Michael Saylor announced plans to raise funds to buy Bitcoin by issuing and selling $21 billion worth of MicroStrategy shares.The equity raise is part of a larger plan to raise $42 billion for Bitcoin purchases over the next three years.The at-the-market equity offering will dilute current shares by 42% of their capitalisation, which currently stands at $50 billion.Michael Saylor, co-founder and Chairman of MicroStrategy, announced plans to raise $21 billion to buy more Bitcoin by offering more MSTR shares at prevailing market prices. The amount of shares issued would dilute the value of exist…