Starting with Wednesday, August 20, stock market trading, the Dow Jones Industrial AverageSM (DJIASM ) will be calculated with a new divisor because of Merck & Co., Inc.'s distribution of .1206 of a share of Medco Health Solutions, Inc. for each share held. As a result, the divisor for the 30 Industrials changes to 0.14249417 from 0.14279922.
