The U.S. Supreme Court dismissed an appeal by Altria Group Inc's Philip Morris USA over $79.5 million in punitive damages awarded to the widow of a longtime Oregon smoker. The top court did not decide the merits of the dispute, but in a one-sentence ruling on Tuesday dismissed the appeal as "improvidently granted."... Morningstar analyst Phil Gorham...said the case should remind investors that tobacco companies are still subject to product liability lawsuits...