1.Bloc 1 - Fundamental ConceptFacile· Market breadth
During recent record index highs, what percentage of S&P 500 stocks typically traded above their 200-day moving average, illustrating deteriorating market breadth?
2.Bloc 1 - Fundamental ConceptFacile· Equal-Weighted Index Return
Which specific metric arithmetically proves that the median S&P 500 constituent failed to confirm headline strength during the 2023 market rally?
4.Bloc 2 - Academic TheoryMoyen· Capital Asset Pricing Model (Sharpe 1964, Lintner 1965)
Under the Capital Asset Pricing Model, which specific assumption justifies using a market-cap weighted index as the true, mean-variance efficient portfolio held by all rational investors?
According to the Positive Skewness of Long-Run Stock Returns, what mathematical boundary condition naturally drives extreme cap-weighted concentration over long compounding periods?
Which assumption is strictly required for the Superstar Firm Hypothesis to explain how technological changes and network effects disproportionately reward the most productive firms?
When frictionless borrowing assumptions break, how does a higher-for-longer Fed interest rate cycle theoretically explain the disproportionate market dominance of cash-rich mega-cap technology stocks?
If global governments aggressively enforce antitrust regulations against the Magnificent Seven, which specific break condition of the Superstar Firm Hypothesis is triggered?
9.Bloc 4 - Expert SynthesisExpert· Capital Asset Pricing Model (Sharpe 1964, Lintner 1965) vs Positive Skewness of Long-Run Stock Returns (Bessembinder 2018)
How do the Capital Asset Pricing Model and the Positive Skewness of Long-Run Stock Returns fundamentally differ regarding their assumptions about the statistical distribution of individual asset returns?