Do Unanimously Bullish S&P Calls Show a Market Bubble?

The video discusses the unanimous bullish forecasts for the market, raising concerns about a potential bubble. It compares current market conditions to those post-2008 crisis, highlighting different headwinds like global growth and potential US recession. Despite these, the US economy shows firm growth. The video also examines the impact of expected Fed interest rate hikes on the stock market, with varying opinions on its effect. Valuation predictions for the S&P 500 are explored, noting a narrow spread among strategists, indicating no imminent bear market.

What factors contribute to the optimism about the US economy in 2015?

What is the significance of the differing forecasts among strategists for the S&P 500?