Keri Russell on one side of a tree with a bear on another
Keri Russell in "Cocaine Bear."
  • Bearish investors often point to two charts to confirm why they are negative on stocks.
  • But according to Ed Yardeni, the bears get it wrong as they misunderstand what really drives stock market performance.
  • "We think that the stock market's trend is driven mostly by the trend in earnings," Yardeni said.

There is a lot of doubt about where the stock market goes from here as investors worry about everything from a potential recession to a debt-ceiling impasse that leads to the US defaulting.