European shares ended flat on Monday as gains driven by optimism around China's stimulus measures to revitalise its economy fizzled out, while Danish drugmaker Novo Nordisk's shares touched record highs. The pan-European STOXX 600 index held steady at 457.96 points at close after touching near four-week highs earlier in the day. Europe's technology sector gained 0.5% as shares of Dutch semiconductor equipment maker ASML rose 0.8%. Miners finished up 0.6% after rising nearly 2% intraday, as iron ore futures rallied on optimism over top steel producer China's policy support for its struggling property sector. China stepped up measures to boost...