GLOBAL MARKETS-Stocks mixed as Trump offers few policy details, dollar firms on rate talk

* Asia ex-Japan stocks down 0.2 pct; Nikkei up on weaker yen

* European stock markets headed for higher open

* Trump speech holds few details, surprises, less protectionism

* 2-yr Treasury yields at 2017 high on March hike expectation

* China, Japan Feb manufacturing activity beat expectations

By Nichola Saminather

SINGAPORE, March 1 (Reuters) - U.S. stock futures pared gains on Wednesday on disappointment that President Donald Trump did not offer further details on his plans for infrastructure spending and tax reforms, but the dollar firmed on growing expectations of a rate hike this month.

European stock markets were poised for a positive start, with financial spreadbetters expecting Britain's FTSE 100 and Germany's DAX to open 0.2 percent higher, and France's CAC 40 to start the day up 0.3 percent.

Trump pledged to overhaul the immigration system, improve jobs and wages for Americans and promised "massive" tax relief to the middle class and tax cuts for companies, but offered few clues on how they would be achieved.

"Investors had little to grasp, and market reaction during the speech was choppy and directionless," market strategists Paul Christopher, Scott Wren and Sameer Samana at Wells Fargo Investment Institute in St. Louis said.

"The speech was short on details and did not even prioritize the president’s goals."

Capital Economics' Paul Ashworth said Trump has been struggling to implement his agenda.

"With Congress getting bogged down by Republican infighting over efforts to repeal and replace existing health care legislation, it will take considerably longer to pass tax reform than we initially thought on election night," Ashworth said in a note.

"There is now a good chance that it won't happen until early next year."

U.S. stock futures still pointed to a higher open after Trump's address, though gains shrank as the speech progressed.

E-mini S&P futures edged up 0.2 percent, after the Dow Jones Industrial Average snapped a 12-day winning streak to close down 0.1 percent in the prior session.

The dollar index, which tracks the greenback against a basket of trade-weighted peers, advanced 0.5 percent to 101.58 after wobbling during the speech.

The U.S. currency also rebounded against the yen, rising more than 0.6 percent to 113.47 yen, after erasing its session gains during Trump's speech.

Reaction in Asian stock markets to Trump's speech was largely muted, with the MSCI's broadest index of Asia-Pacific shares outside Japan down about 0.2 percent.

A raft of surveys pointing to stronger factory activity in China, Japan and other parts of the region were largely overshadowed by Trump's speech.