Gold and Asian stocks were on the rebound on Tuesday as trade took a calmer tone after wild swings in metals markets, with the mood helped overnight by a sharp jump in US factory activity. Japan’s Nikkei jumped 2.5% to recoup Monday losses and South Korea’s KOSPI rose 4%. Futures pointed to a recovery in Hong Kong while S&P 500 futures were up 0.3% with traders eyeing a busy few sessions of ear