InvestmentsTop Global NewsMarketsReal Estate Merck KGaA agrees US$6.5 billion takeover of Versum By financialnews_rlv83x - April 12, 2019 0 264 Germany’s Merck KGaA said it signed a takeover agreement with target Versum Materials for a price of US$53 per share after Versum walked away from a prior merger agreement with rival Entegris.