• The Dow Jones Industrial Average .DJI rose 39.03 points, or 0.19 percent, to 20,689.24, the S&P 500 .SPX gained 1.32 points, or 0.06 percent, to 2,360.16 and the Nasdaq Composite .IXIC added 3.93 points, or 0.07 percent, to 5,898.61.
U.S. stocks were little changed on Tuesday, as investors stayed on the sidelines ahead of the first-quarter earnings season and fretted about President Donald Trump's ability to deliver on tax reform and other promises.
Even if earnings are good, Phipps said, stocks may still be overvalued without the substantial tax cuts the market has already priced in.
• Investors also focused on a potentially tense meeting between Trump and Chinese President Xi Jinping set for the end of the week.
• Asian stocks are set for a cautious start on Wednesday as investors move to the sidelines before a potentially tense meeting between Donald Trump and Chinese President Xi Jinping later this week.
Energy counters bucked the broad trend after a bounce in oil prices on Tuesday thanks to an unplanned production outage in the North Sea and growing concerns about diminishing U.S. oil stocks.
• MSCI's broadest index of Asia-Pacific shares outside Japan .MIAPJ0000PUS was flat with early Asian markets such as Australia and South Korea .KS11 slightly higher.
• Asian shares were in positive territory on Wednesday morning, amid concerns over North Korea's latest ballistic missile test which landed in the Sea of Japan.
• Japan's benchmark index opened up 0.48 percent.
Reference: Reuters, CNBC