Gold on Thursday held slightly above a four-week low touched in the previous session as the dollar lost some strength ahead of a speech by Federal Reserve Chair Janet Yellen that may yield clues on U.S. interest rate policy.

"Investors are positioning themselves largely on Yellen's speech with expectations that her message would be quite hawkish in terms of the outlook for the U.S. economy and the possibility of a rate hike," said Vyanne Lai, an economist at National Australia Bank.

"Gold will be in a defensive mode for today and tomorrow as there aren't many market-moving data points apart from what Yellen is going to say. Any hawkish comments could turn gold prices bearish next week," Lai said.We are provide all,Agri Commodity Market Tips,nse bse tips, and you can call us on :-9827808090.

Spot gold was up nearly 0.2 percent at $1,325.30 an ounce at 0703 GMT. The metal touched a 4-week low of $1,323.20 on Wednesday on a firm dollar.Spot gold may drop to $1,308 per ounce, as it has cleared a key support at $1,334, according to Reuters technical analyst Wang Tao.

U.S. gold was nearly flat at $1,328.90 an ounce.