Gold futures ended higher Wednesday, then seesawed in electronic trade as the U.S. Federal Reserve left interest rates unchanged, but hinted at the potential for a rate increase in September. Earlier, a drop in U.S. durable-goods orders helped bolster appetite for haven gold. December gold GCZ6, +1.23% the most-active futures contract, settled at $1,334.50 an ounce, up $6.20, or 0.5%, for the session. It pulled back to $1,333.90 in electronic trading shortly after the Fed news, then climbed up again to a hit high above $1,340. August gold GCQ6, +1.20% the second most-active contract, tacked on $5.90, or 0.5%, to ... (full story)