The euro fell on Monday as a threat from France's far right to collapse its government kept European markets under pressure, while tech stocks lifted global shares and the dollar firmed in a key week for the U.

The MSCI gauge of Asian shares headed for a second day of gains with benchmarks in South Korea and Australia among those gaining

The euro marked time on Wednesday ahead of France's no- confidence vote, while the Australian dollar tumbled to a four-month low on slowing economic growth and the won rebounded after South Korea's president backed down after declaring martial law.

France on Tuesday braced for new political turmoil as opposition lawmakers prepared to back a no-confidence motion this week that risks toppling the government of Prime Minister Michel Barnier after just three months in office.