DekaBank reported on Tuesday a boost in performance from strong customer investments, achieving a profit of over €512 million ($572 million) for the first half of the year, surpassing two-thirds of its annual target. However, this is down 19% from the previous year due to valuation effects, the German savings bank noted. The bank’s securities division benefited from increased sales, particularly among private savers and major clients. Sales with private customers rose to €12.6 billion, although this was lower than the €14.4 billion recorded a year ago. Fund sales grew to €4.6 billion, up €1.2 …