Corrects the percentage change in the first bullet point to 0.3%, instead of 3%

HONG KONG, May 30(Reuters) - Chinese stocks fell on Friday as Apple suppliers weakened after a U.S. court reinstated the tariffs, while automakers extended losses amid ongoing price war concerns, pushing major indices toward weekly declines.

** At the midday break, China's blue-chip CSI300 index .CSI300 weakened 0.3%, heading to the second week of loss. The Shanghai Composite index .SSEC also dropped 0.3% to 3,353.07 points.

** Declines were sharper in Hong Kong. The Chinese H-share index listed in Hong Kong, the Hang Seng China Enterprises Index .HSCE fell 1.7% and Hong Kong's benchmark Hang Seng Index .HIS lost 1.5%, both set to snap a six-week winning streak.

** "Sentiment dropped further amid lower turnover and lukewarm macro prints," Laura Wang, Chief China Equity Strategist at Morgan Stanley wrote in a note on Friday.

** "No signs of near-term stimulus step-up as the interim tariff truce continues."

** Weighing on the markets on Friday, Apple suppliers tumbled after an appeals court kept President Donald Trump's tariffs in effect, a day after a trade court blocked them, saying the president exceeded his authority.

** iPhone assembler Foxconn 601138.SS lost 3.5%, BYD Electronics 0285.HK tumbled 5% and Lens Tech 300433.SZ weakened 3.8%.

** Auto shares continued the downward trend as price war concerns linger. Shares of Xpeng 9868.HK, BYD 1211.HK and Nio 9866.HK all slipped more than 4%.

** Cushioning the losses, the CSI Banks Index .CSI399986 advanced 1% after news that People's Bank of China $(PBOC)$Governor Pan Gongsheng will attend the opening ceremony of the Lujiazui Forum in Shanghai next month and announce several major financial policies.

** Around the region, MSCI's Asia ex-Japan stock index .MIAPJ0000PUS was weaker by 0.5% while Japan's Nikkei index .N225 was down 1.3%.

(Reporting by Jiaxing Li in Hong Kong; Editing by Janane Venkatraman)

((jiaxing.li@thomsonreuters.com; +852 63358304))