European stocks closed flat on Monday after paring gains. Earlier in the session, the stocks rose on fresh Chinese stimulus measures aimed at supporting the country’s beleaguered property sector. The pan-European STOXX 600 index ended at 457.96 points after rising as much as 0.9% earlier in the session. China’s financial regulators have lowered down-payment requirements for first and second-time home buyers and cut rates on existing mortgages. In the property sector, another positive news also arrived that China's battered developer Country Garden had won approval from its creditors to extend a deadline for a key bond repayment. Britain’s FTSE 100...