(Updated at 0936 GMT)

* Russia's Medvedev says Ukraine joining NATO would mean war

* Poll: India to stick to budget targets despite election rebuke

* Trump's Taiwan comments weigh on TSMC shares

* Hong Kong posts record home purchases, realtor says

* Stocks down 0.2%, FX up 0.1%

July 17 (Reuters) - Equities of most emerging markets slipped on Wednesday, with China's Communist Party's major policy meeting nearing its conclusion, while investors monitored developments in Kenya and mulled the implications of a corporate tax bill in Turkey.

MSCI's index tracking bourses in developing economies slipped 0.2%, while a currencies gauge was little changed.

China's main stock indexes closed flat and lower, respectively, with the ruling Communist Party's so-called 'Third plenum' underway, post which markets anticipate reforms to support the embattled top economy.

Hong Kong equities ended flat, though the property index rose 1.3% after a realtor agency said the region saw record home purchases by mainland Chinese buyers in the first six months after the financial hub removed all buying curbs.

Taiwan's main stock index slid nearly 1%, weighed by chipmaker TSMC, after U.S. presidential candidate Donald Trump said the country should pay the United States for its defense, as per a report. The tech giant is expected to deliver quarterly results on Thursday.

Speaking on how a second Trump presidency could impact interest in developing economies, Clementine Wallop, director, Sub-Saharan Africa at Horizon Engage, said it would be sector specific, where some sectors such as fossil fuels could benefit, while investors in others such as green energy might not see it as a boon.

Romanian equities edged up 0.2%. Prime Minister Marcel Ciolacu told small business owners the country cannot afford to raise taxes in 2025 and should focus on curbing tax evasion to rein in its budget deficit. Romania's budget deficit stands above European Union's ceiling of 3%.

Turkish main stock index lost 0.6%, while banks dropped nearly 2%, with focus on a bill that would impose a minimum corporate tax on large multi-nationals.

In south Asia, a Reuters poll of economists showed the Indian government remains committed to upholding pre-election borrowing and spending targets in the July 23 budget, despite the ruling party losing its majority vote in recent elections. Indian equity markets were closed on account of a holiday.

Elsewhere, Kenya's shilling slipped 0.6%, with attention on recent anti-government protests, where demonstrators called for President William Ruto's resignation.

"The protests that we're seeing in Kenya... could be something that becomes more widespread as citizens express their discontent for being squeezed for what they perceive as government failure," Wallop added.

Ukraine's hryvnia depreciated nearly 1.2% to a record low. Former Russian President Dmitry Medvedev said the accession of the country to the U.S.-led North Atlantic Treaty Organisation (NATO) would be a declaration of war against Moscow. Russia refers to its conflict with Ukraine as a "special military operation."

(Reporting by Johann M Cherian in Bengaluru; Editing by Krishna Chandra Eluri)