NEW YORK--(BUSINESS WIRE)--Market risk surged in the second quarter, driven by angst over China’s market plunge, the off-again/on-again Greek bailout, and a sharp increase in bond volatility. In contrast, energy prices stabilized, lowering the oil sector’s volatility, according to a report released today by Axioma, Inc. “The bulletproof optimism we witnessed in the first quarter caved in the second quarter,” said Melissa Brown, CFA, Senior Director of Applied Research at Axioma, and author of t