A big economist, Justin Wolfers, says that the stock market is very unstable right now because people are scared of what they think they know, and also because of some decisions made by the Federal Reserve, which is like a big bank that controls money in the US. People are worried about who will be the vice president in the US, and this can affect the stock market too. Sometimes, even a small change in how people think can make the prices of stocks go up or down a lot. Read from source...

1. The article is too long and contains unnecessary details, such as the image of a tweet and the full quotes from Nate Silver and Jason Furman.
2. The article focuses on the opinions of Justin Wolfers, Nate Silver, and Jason Furman, but does not provide any counterarguments or alternative perspectives from other experts or sources.
3. The article uses emotional language, such as "fast changing," "bleeding," "crashing," "inept," and "sleeping," to describe the market situation and the opinions of Trump and others.
4. The article does not provide any concrete evidence or data to support the claims that insider knowledge or Federal Reserve decisions are the main drivers of market volatility.
5. The article does not address the possible impact of other factors, such as global economic conditions, geopolitical tensions, inflation, or corporate earnings, on the market performance.

Negative

Sentence to include in summary: Economist Justin Wolfers weighs in on the market meltdown and the impact of insider knowledge on market shifts.