Ed Yardeni argues that, to match the doom and gloom from Wall Street bears, the stock market would need to see a Lehman-esque meltdown.Ed Yardeni argues that, to match the doom and gloom from Wall Street bears, the stock market would need to see a Lehman-esque meltdown. Ed Yardeni argues that, to match the doom and gloom from Wall Street bears, the stock market would need to see a Lehman-esque meltdown.   Read More MarketWatch.com – Top Stories