TOKYO, Jan. 16 (Xinhua) -- Tokyo stocks opened higher Tuesday, with exporters gaining ground on a softer yen against the U.S. dollar and on expectations for solid profits when earnings season swings into gear later this month.

As of 9:15 a.m., the 225-issue Nikkei Stock Average gained 34.07 points, or 0.14 percent, from Monday to 23,748.95.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, added 2.48 points, or 0.13 percent, to 1,886.38.

Transportation equipment and oil and coal product-linked issues comprised those that gained the most in the opening minutes after the morning bell.