The minimum value of the distribution of monthly returns for the U.S. stock market over 273 months, based on the histogram, is B)The minimum value is –25% monthly percent return on common stocks.
The return on a common stock is determined as the difference between the ending market price and the beginning market price plus dividends received.
The return on stock is expressed as a percentage of the beginning market price.
Thus, according to the x-axis of the histogram, representing the monthly percent return on common stocks, the minimum monthly percent return on common stocks during these 273 months was -25%.