This is really disgusting, hedge fund manager spreads a completely unverifiable rumor, on twitter nonetheless, and profits from the result. Some choice quotes from the article:

What’s important when you’re in that hedge fund mode is to not do anything remotely truthful.

And

Who cares about the fundamentals?

And finally:

“This is actually blatantly illegal,” he added, “but when you have six days and your company may be in doubt because you are down, I think it is really important to foment.”