The European markets look set to open lower on Tuesday as a broad equities and commodities sell-off sapped investors’ appetite for risk. Amid mounting worries about the pace of global growth, investors eye reports on German inflation, Eurozone economic sentiment and U.K. mortgage approvals later in the European session for further clues to the region’s economic outlook. In the New York session, home price and consumer confidence figures could offer further clarity on when interest rates may rise.