CORRECTED-UPDATE 2-Samsung's Q3 profit estimate exceeds expectations on smartphone sales . Q3 operating profit tipped to tumble 56% to 7.7 trillion won

UPDATE 4-Hopes for a deal dim as U.S.-China trade talks get underway in tense atmosphere . Prospects for progress in U.S.-China trade talks dimmed on Monday after Washington blacklisted Chinese companies over Beijing's treatment of predominantly Muslim ethnic minorities, and President Donald Trump said a quick trade deal was unlikely.

Nikkei rises as weak yen boosts exporters; eye on U.S.-China talks . Japanese shares rose on Tuesday as a weaker yen boosted exporters, but volume was thin as many investors were sidelined ahead of high-level China-U.S. talks this week to resolve a damaging trade war.

UPDATE 2-Samsung's Q3 profit estimate exceeds expectations on smartphone sales . Q3 operating profit tipped to tumble 56% to 7.7 trillion won

S.Korea stocks jump as Samsung profit guidance reduces export worries . Round-up of South Korean financial markets: ** South Korean shares jumped nearly 1% on Tuesday, driven by Samsung Electronics after the tech giant reported better-than-expected profit guidance, reducing concerns over the country's exports. The won and the benchmark bond yield rose. ** Samsung Electronics

China's Hikvision resolutely opposes U.S. blacklisting - state media . Chinese state media said on Tuesday video surveillance firm Hikvision resolutely opposes the U.S. move to blacklist the firm, saying the decision has no basis in fact. The U.S. Commerce Department on Monday placed 28 Chinese public security bureaus and companies - including Hikvision - on a U.S. trade blacklist over Beijing's treatment of Uighur Muslims and other minorities. (Reporting by Cate Cadell; Editing by Muralikumar Anantharaman)

Oracle to hire 2,000 workers to expand cloud business to more countries . Oracle Corp plans to hire nearly 2,000 additional workers as part of an aggressive plan to roll out its cloud computing services to more locations around the world, its cloud chief told Reuters on Monday.

Amazon launches bigger local online store in Singapore . Amazon.com Inc has launched a bigger local store and marketplace in Singapore, expanding its product selection and intensifying competition with rivals such as Alibaba Group Holding Ltd's Lazada and Sea Ltd's Shopee.

China services sector growth falls to 7-month low - Caixin PMI . China's services sector grew at its slowest pace in seven months in September despite a strong increase in new orders, as operating expenses continued to rise at the end of the third quarter, a private survey showed on Tuesday.

UPDATE 4-U.S. puts Hikvision, Chinese security bureaus on economic blacklist . The U.S. Commerce Department on Monday placed 28 Chinese public security bureaus and companies - including video surveillance company Hikvision and seven other companies - on a U.S. trade blacklist over Beijing's treatment of Uighur Muslims and other predominantly Muslim ethnic minorities.