LONDON, Dec 16 (Reuters) - HSBC has hired former Nomura banker Chris Fincken as a managing director in its UK investment banking coverage team, according to an internal memo seen by Reuters on Thursday. Fincken is the latest in a series of hires for HSBC"s British investment banking unit as it looks to increase its business with companies in its home market. A spokesman for the bank confirmed the contents of the memo. (This story officially corrects spelling of Fincken throughout)