Hints that a slowdown in China's economy may be leveling out pushed stock markets up on Tuesday, while euro bears and bond investors had second thoughts about sky-high expectations of European Central Bank easing later this week. China's official Purchasing Managers' Index reached a three-year low in November. While European stocks followed Asian shares higher, bond yields ticked higher and the euro bounced off a 7 1/2-month low on concern the ECB may not deliver all the stimulus on Thursday that investors have come to expect.