BENGALURU, Aug 21 (Reuters) – Gold prices rose on the back of a weaker U.S. dollar on Tuesday, extending gains into a third session after U.S. president Donald Trump said he was “not thrilled” with the U.S. Federal Reserve for raising interest rates.

FUNDAMENTALS

* Spot gold was up 0.3 percent at $1,193.97.24 an ounce at 0054 GMT. It climbed 0.5 percent in the previous session.

* U.S. gold futures were up 0.5 percent at $1,200.60 an ounce.

* The dollar index, which measures the greenback against a basket of six major peers, was down 0.4 percent at 95.494. The dollar was down 0.2 percent at 109.86 yen .