Korea is still an emerging market, or so MSCI reckons. On Tuesday, the most important provider of global indices – the MSCI World and the MSCI Emerging Markets matter much more than the equivalents from FTSE Russell and S&P Dow Jones – once again declined to put it on the watch list for upgrade to developed status.On one hand, this situation feels increasingly ridiculous. Korea is a very advanced, high-tech economy, home to key tech players such as Samsung Electronics and SK Hyni