Gold rose for a third straight day, posting its biggest weekly increase since November last year, after a report showed a surprise slowdown in US job growth, supporting the case for continued economic stimulus and low interest rates. Non-farm payroll numbers show that the US added 266,000 jobs last month, compared with the 1 million median estimate of analysts. Treasury yields sank on the news as risk appetite faded and the US dollar weakened, boosting demand for gold as an alternative asset. Gold has rebounded after a poor start to the year, when it came under pressure from gains in the US