NEW YORK, Jan. 18 (Xinhua) - U.S. dollar rose on Friday as optimism on China-U.S. trade relations lifted investor sentiment.

The dollar index, which measures the greenback against six major peers, rose 0.28 percent at 96.3371 in late trading.

In late New York trading, the euro decreased to 1.1369 dollars from 1.1390 dollars in the previous session, and the British pound decreased to 1.2871 dollars from 1.2987 U.S. dollars in the previous session. The Australian dollar fell to 0.7167 dollar from 0.7200 dollar.

The U.S. dollar bought 109.78 Japanese yen, higher than 109.26 Japanese yen of the previous session. The U.S. dollar was up to 0.9952 Swiss franc from 0.9937 Swiss franc, and it was up to 1.3269 Canadian dollars from 1.3266 Canadian dollars.