• Spot gold was flat at $1,317.81 an ounce at 0116 GMT. Prices fell 1.1 percent and had touched an over two-week session low of $1,313.26 in the previous session.
U.S. gold futures were up 0.1 percent at $1,319 per ounce.
• The dollar held near an over two-week high hit in the last session, while Asian shares faltered and bonds were sold off, after Powell's upbeat views on the economy bolstered bets on further Fed interest rate hikes this year.
• The Fed is expected to approve its first rate increase of 2018 at its next policy meeting in March, when it will also provide fresh economic projections and Powell will hold hisfirst news conference.
• The European Central Bank could end bond purchases this year while an interest rate hike in 2019 is not unrealistic if the euro zone's economic upswing continues, Bundesbank President Jens Weidmann said on Tuesday.
• China's net gold imports via main conduit Hong Kong surged 65.2 percent in January from the previous month, data showed on Tuesday.
• Gold prices could break above $1,400 an ounce for the first time since 2013 this year as an uncertain outlook for stocks, bonds and currencies tempts investors to use the precious metal as a safe haven, according to a Reuters survey of analysts.