Tokyo's Nikkei 225 share average down 0.1% at 19,186.10 points at mid-day.
Hope at Trump's economic agenda fuels investors past a hopeless few days.
Tesco dominates with a £235m regulator hit while key shareholders speak out against £3.7bn takeover.
Soundbites from Opec suggest an extension of output cuts likely with low oil price causing dissension in ranks.
Dollar struggles to regain ground as investors remain doubtful over Trump's policies.
A royal decree has cut the income tax paid by Aramco to 50% from the previous 80%.
Investors hope the US president goes ahead with his other planned stimulus policies.
Investors are reassessing whether Trump will be able to push his economic policies through Congress.
Mohammed Saleh Al-Sada tells Qatar-UK Business Forum that Opec cuts have been successful and need to be extended beyond Q3 2017.
Dollar sinks as investors grow doubtful over Donald Trump's ability to push through his policies.
Markets took their first chance to give their verdict on Trump's failure to replace Obamacare.
There could be much to go for in 2017 given increasing signs global economy is getting into recovery mode.
Investors are said to doubt Trump's ability to push through major reforms.
US president greenlight's controversial 4th phase of pipeline, rejected by President Barack Obama in 2015.
US President Donald Trump says he will leave Obamacare in place unless Congress vote on his plan.
Dollar struggles for direction ahead of vote on Donald Trump's healthcare plan.
The vote on whether Obamacare should remain or be replaced will be held later in the day.
Safe haven buyers send gold, silver higher following suspected terror attack in the UK capital.
Next tops the leaderboard despite delivering its first fall in sales in eight years.
Yen remains on track for best winning streak in six years as investors turn to safe havens.
Wall Street banks are setting themselves up for the next systemic crisis by financial experimentation in the derivatives market.
Investors remain concerned over the key health care vote in Congress, which is due later in the day.
Investors concerned fight over healthcare may slow down Trump's pro-growth policies.
High stockpile build-up stateside accelerates intraday losses in the oil market.
Bank of America Merrill Lynch poll finds that shares may be at their most overvalued in 17 years.
Dollar remains under pressure as investors grow concerned over Donald Trump's policies.
Investors are said to be re-evaluating their optimism on Trump's ability to deliver on his promises.
Could the Trump market high be coming to an end?
Brent and WTI heading lower as fears of rising US crude production makes transatlantic money managers cagey.
Consumer Prices Index inflation hit 2.3% in February, the highest level since September 2013.