BoranStockbrokers,Inc.,selectsfourstocksforthepurposeofdevelopingitsownindexof stock market behavior. Prices per share for a 2009 base period, January 2011, and March 2011 follow. Base-year quantities are set on the basis of historical volumes for the four stocks. Use the 2009 base period to compute the Boran index for January 2011 and March 2011. Comment on what the index tells you about what is happening in the stock market.
