German shares edged down on early Monday's session on persistent worries over the Eurozone's financial instability after Spain's 10-year bond yields rose to 7%. German DAX 30 Index lost 0.03% to 6417.00 in early European trading. Consumer services and basic materials faced the largest losses on Monday while telecommunications sector was the strongest performer, with Deutsche Telekom gaining 0.99%.The country's largest retailer, Metro AG, slid to three year low after Olaf Koch, CEO, said that restrained spending will impact the company significantly.