Mix And Match

The Dow Jones industrial average was down on Friday as market trading was mixed, but it was up 1.8 percent on the week as a whole to end at 10,139. Oil prices reached 21-year record highs, closing at $43.80 per barrel on the New York Mercantile Exchange on Friday and adding trepidation to the day’s trading. In advertising-related news, shares in Paris-based Havas closed at $4.93, up nearly 10 percent in trading on Friday. The holding company recently expressed a desire to purchase Grey Global Group. On the Big Board, shares in Omnicom increased 3.7 percent for the week, closing at $72.02, while IPG shares rose 0.5 percent to $12.79. WPP, trading as American Depository Receipts on the Nasdaq, changed little on the week, closing down 0.3 percent to $46.66.