NEW YORK/LONDON/RALEIGH, N.C. --- Shoppers took to stores across the world on a Black Friday that appeared to be subdued compared to prior years, looking for discounted electronics, clothing and household goods in the kickoff to the holiday shopping season crucial to big retailers. Brokerage TD Cowen lowered its U.S. holiday spending estimate to 2% to 3% growth, from 4% to 5%, as it forecast flat Black Friday traffic. Discounts in October and November removed the excitement and urgency of Black Friday. "People have already got what they want," David Klink, senior analyst at Huntington Private Bank, which owns shares of Walmart and Target. "There ar...Keep on reading: ‘A lot quieter’ Black Friday brings out discount-hunters