Since a moment (2 or 3 months), all special medias are talking about a bubble on the markets, specialy from China and too the technology.
Every weeks, many of then explain and decode many signals from values in Nasdaq stocks to discuss about the what's happened for the near days, around September.
Here's an analyse for a Silicon Valley Crash Coming...
"Talk of the bubble bursting eventually surfaces with every successful market. When valuations are increasing exponentially, excitement is building to a fever pitch, and companies are sprouting seemingly overnight, it’s almost like everyone becomes afraid that success won’t last."
Read More: There Is No Silicon Valley Crash Coming