(Adds SEC response) By Scott Murdoch HONG KONG, Nov 3 (Reuters) - Hong Kong-based insurer FWD Group has told U.S. regulators it cannot guarantee that Beijing would not seek to "intervene or influence" its operations, adding to its list of risk factors as it tries to push ahead with a New York listing. The group, controlled by billionaire Richard Li, filed in June for a listing in the United States with, what people familiar with the matter said at that time, an aim to raise between $2 and $3 billion. At that size, the deal would value FWD, which has...