New York (CNN) — Larry Ellison is having the best Wednesday out of all of us.

The uber-billionaire is now the world’s richest person, according to the Bloomberg Billionaires Index, growing $100 billion more wealthy on Wednesday and toppling longtime title holder Elon Musk from his perch.

The 81-year-old is Oracle’s largest individual shareholder and whose stock is having its biggest single-day gain since 1992. Ellison’s wealth stands at $393 billion, surpassing Musk, who has a measly $385 billion, according to Bloomberg’s calculations.

So, how did he get here?

It traces back to 1977, when Ellison, Bob Miner and Ed Oates founded Software Development Laboratories in Santa Clara, California. They were contracted by the CIA to build a database program code-named “Oracle.”

Five years la

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