(Bloomberg) -- Alibaba Group Holding Ltd.’s majority stake in Chinese hypermarket chain Sun Art Retail Group Ltd. is attracting preliminary interest from private equity firms, according to people familiar with the matter.Most Read from BloombergVanderbilt Leases Struggling NYC Seminary for Campus ExpansionNJ Transit, Amtrak Trains Delayed After Derailment Near NYCWhere Cargo Bikes Are Freeing Cities From Polluting VansClimate Migrants Stand to Overwhelm World’s MegacitiesExclusive Palo Alto Girl