HOLDRS first arrived on the scene in September 1999, with Internet HOLDRS (HHH) becoming the 31st ETF listed for trading on a U.S. stock exchange.  Merrill Lynch, the sponsor, now acknowledges the antiquated structure of HOLDRS, and all seventeen products will be terminated this week.  The closures are taking place in two waves.  Six will see their last day of trading today (12/20/2011), and eleven will have Friday (12/23/2011) as their final day of trading. The six funds being delisted after today’s close are: Biotech HOLDRS (BBH) Oil Service HOLDRS (OIH) Pharmaceutical HOLDRS (PPH) Regional Bank HOLDRS (RKH) Semiconductor HOLDRS (SMH) Retail HOLDRS (RTH) These ticker symbols will still be in use tomorrow (12/21/2011), but they will refer to . . . → Read More: Termination of 17 HOLDRS Marks End of an Era