COMMODITIES-US stimulus speculation lifts copper, most markets

* US jobless claims fuel speculation of new Fed stimulus
* Weak dollar, bullish US home sales add to commods buying
* Copper hits 2-week high, nickel gains most on day
* Raw sugar biggest loser, falling 2.5 percent

By Barani Krishnan
NEW YORK, April 25 (Reuters) – Commodities ended broadly
higher on Thursday, with copper one of the biggest gainers,
after high claims for jobless benefits in the United States fed
expectations that the Federal Reserve may approve another U.S.