Asian shares mostly gain after Wall St sets a record, while gold and silver fly higher

Asian shares advanced on Wednesday and the prices of gold and silver soared higher ahead of an interest rate decision by the U.S. Federal Reserve.

Later Wednesday, the U.S. central bank was due to announce its latest move on interest rates. The expectation is that it will hold its main interest rate steady for now.

In Asian trading, South Korea’s benchmark hit a record, lifted by gains for technology shares like computer chip maker SK Hynix, which climbed 5.1%. The Kospi gained...