LONDON (Reuters) - OPEC on Wednesday cut its forecast for global growth in oil demand this year due to the coronavirus outbreak and said its output fell sharply in January as producers implemented a new supply-limiting pact. World oil demand is expected to rise by 990,000 barrels per day (bpd) this year, the Organization of the Petroleum Exporting Countries said in a monthly report, a cut of 230,000 bpd from its previous forecast.OPEC, Russia and other producers, a group known as OPEC+, have..