HONG KONG/LONDON (Reuters) - HSBC Holdings PLC on Tuesday posted a fall of 33% in annual profit, lagging analyst estimates, mainly due to a goodwill impairment of $7.3 billion related to its investment banking and commercial banking businesses in Europe. Europe's biggest bank by assets, which makes the bulk of its revenue in Asia, reported profit before tax of $13.35 billion for 2019 versus $19.89 billion a year earlier.The result, which is being announced along with a strategy update by interim..