Most share indexes edged up in Asia on Wednesday as investors looked through weak U.S. data and corporate warnings about the hit from tariffs, while the dollar struggled to gain ground amid growing Federal Reserve rate cut expectations.

Amazon's median target price of $262 per share currently implies 24% upside, making it the best trillion-dollar stock to buy now, according to Wall Street. Amazon shares have dropped 10% since its second quarter earnings report because investors were concerned by management's guidance.

TOKYO (Reuters) -Shares in Asia rose for a second-straight session on Tuesday and the U.S. dollar steadied as investors increased bets the Federal Reserve will act to prop up the world's largest economy.