Oil prices ended higher on Friday to notch their first weekly rise in six weeks, as a report of oil purchases by Chinese refiners helped to ease worries about a slowdown in oil demand from the spread of COVID-19. Bloomberg News reported a “buying spree” among China’s independent oil refiners. March WTI oil rose 63 cents, or 1.2%, to settle at $52.05 barrel on the New York Mercantile Exchange. For the week, prices rose 3.4%, according to FactSet data.Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.