$Tesla (TSLA.US)$ Adam Jonas made unusually optimistic predictions about the future of Tesla. As a result, Tesla's stock price soared, rising more than 10% on Monday and achieving its best single-day performance since January of this year. This pushed the stock price over $270, increasing its market cap by nearly $80 billion.
We have seen this scenario in 2015! Goldman Sachs drew a pie-in-the-sky vision of a 'Tesla Dojo' worth hundreds of billions of dollars, but many people were skeptical.