Happy with high-yield investing By: MarketWatch June 14, 2012 at 00:01 AM EDT In a roller-coaster year (make that decade), high-yield strategies continue to work for DividendInvestor, reports Peter Brimelow. Read More >> Related Stocks: American Electric Power Amerigas Partners LP Chevron Corp Energy Transfer Equity LP Johnson & Johnson Nustar Energy LP Paychex Philip Morris International Procter & Gamble Royal Dutch Shell Cl B ADR Sysco Corp