Asian shares were mixed on Tuesday after U.S. stock indexes inched to more records at the start of a week of profit updates from big U.S. companies. Japan’s benchmark surged and then fell back as it reopened from a holiday Monday following the ruling coalition's loss of its upper house majority in Sunday's election.

Asia-Pacific markets traded mixed on Tuesday, despite overnight gains on the S&P 500 and Nasdaq, driven by optimism over strong corporate earnings. Investor caution intensified ahead of the August 1st U.

Prime Minister Shigeru Ishiba has faced a major setback following a significant electoral defeat on Monday in the upper house of Japan's parliament as his coalition failed to attain a majority, reported Kyodo News.