https://www.reuters.com/article/us-hp-m-a-xerox-hlngs-icahn/icahn-takes-stake-in-hp-pushes-for-merger-with-xerox-wsj-idUSKBN1XO0FA >Activist investor Carl Icahn has bought a $1.2 billion stake in HP Inc and is pushing for the personal computer maker's merger with printer maker Xerox Corp , arguing that a union could yield big profits for investors, the Wall Street Journal reported on Wednesday.