The US broker sees gas price falling by 16%-23% between 2017-19 while its medium term gas price forecast has been chopped by 30%. Not good news for gas suppliers and Centrica ( LON:CNA ) has been downgraded to hold with a price target of 215p though it is SSE that really cops it. The utility is now on Goldman's conviction sell list with its dividend under threat. Earnings are set to fall by 19% over the next five years (2015-20) suggests the broker. The price target is 1,225p.