let's get back to the markets with nandini ramakrishnan. you have a wonderful bit of knowledge on the vix index and what it tells us at certain levels, depending on the economic fundamentals. vonnie: that is the key, -- >> that is the key, fundamentals matter more than what is happening in her day or on the hour, historical data, when the vix is about 35, high volatility measured in the markets and the options market, and the fundamentals still remain solid, as we can said they are now, often the market corrects. it goes back up and recovers to levels where it was prior to the site in volatility up. separate analysis you can do with different levels of the next, but -- vix, this week has been interesting. overall, we can remain somewhat anchored to the fact that the earnings, corporate profits, gdp numbers are solid across the world which is why the long-term investor stays in the market. mark: a lot of people looking at the volatility blowup, are there ghosts in the machine? trying to find parallels, morgan securities in 2008, do you worry