Investors have countless resources to draw from when making investment decisions. We often need the benefit of hindsight to know whether or not it’s worth heeding stock-market proverbs. One thing is for certain, which is that, in reality, a whole array of factors play a role. Things constantly have to be weighed up, we have to proceed tactically and, if need be, corrections made. And we need to be able to hold firm to offer the investor added value in the end. In our latest Market Commentary, Michael Blümke gives readers a look behind the scenes of active portfolio management.