U.S. ad spending rises nearly 6% in first half By: MarketWatch September 13, 2010 at 10:06 AM EDT U.S. advertising expenditures in the first half of this year grow 5.7%, led by the automotive, telecommunications and financial services industries. Read More >> Related Stocks: AT&T Inc CBS Corp Cablevision Systems General Electric Procter & Gamble Time Warner Verizon Communications Walt Disney