SEOUL, September 16 (AJP) -Shares of SK hynix shot up nearly 4 percent Wednesday on a report that the South Korea-based memory giant was considering producing memory chips in the United States at an Intel facility, a scenario the chipmaker later played down. "We are intent on adding an overseas fab, and reviewing multiple countries and sites," a company spokesman said, declining to name the countries under consideration or confirm whether Intel was among the potential par