LONDON: German government bonds fell on Tuesday as equities rose on upbeat earnings, with trading likely to stay volatile ahead of Wednesday's European summit, where deep divisions threaten to derail a comprehensive plan to tackle the debt crisis. Bund futures traded in an 80-tick range in ultra-thin volumes with long-term investors seen sidelined before the outcome of the summit. Sharp differences over the extent of losses private holders of Greek bonds would have to accept remain a huge risk to a successful outcome. "The movements that we are seeing just fickle position squaring before the meeting," Sean Maloney, a rate strategist at Nomura, said. "We're shifting between glass-half-full, glass-half-empty and we are doing it on a continuous basis. With the flow of headlines that we are getting it's very difficult to form any sort of conviction around the price action." The December Bund future was last 33 ticks down on the day at ...