Define total return for a bond and a stock, rank the ten-year Treasury, the stock market and Motorola by fluctuation, state that one stock adds firm-specific risk, and note the postwar-US caveat.
2
Time series versus cross section
Sketch the round today-versus-yesterday and this-month-versus-last-month market scatters beside the tilted GM-versus-S&P 500 scatter, label each as time series or cross section, and note the relation survives removing GM.
3
Changing volatility and scaling by 21 and 12
Describe the monthly series of daily-return standard deviations with its Depression, October 1987 and autumn 2008 spikes, and convert one illustrative daily sigma to monthly and annual by square-root scaling.