Elon Musk boosted his net worth by $1.4 billion with just one short tweet (TSLA)

Elon Musk became $1.4 billion richer on Tuesday as Tesla's stock surged after he tweeted that he was thinking of taking the company private. 
With a $25.8 billion net worth, he's the world's 31st richest person. 
He's also Tesla's largest shareholder. 
The tweet was only 61 characters long, but it was powerful enough to make Tesla CEO Elon Musk $1.4 billion richer.
Musk tweeted on Tuesday that he was considering taking Tesla private at $420 a share and had secured the funding