European stock markets opened lower on Wednesday, tracking a negative trading mood in Asia where lingering concerns about a slowdown in China hit sentiment. Later in the morning, attention turns to U.K. trade data and industrial-production figures from the euro zone. The Stoxx Europe 600 index fell 0.4% to 330.14, setting it on track for the lowest close in a month. Shares of G4S PL lost 1.8% after the security company posted a full-year loss. On a more upbeat note, shares of E.ON climbed 1.3% after the utility reported full-year earnings. Among country-specific indexes, the U.K.'s FTSE 100 index dropped 0.6% to 6,647.22, while France's CAC 40 index gave up 0.7% to 4,318.62. Germany's DAX 30 index -0.51% fell 0.5% to 9,259.13.