UPDATE 1-Brazil's Bradesco seeks approval for $780 mln offering; shares fall

SAO PAULO, Nov 16 (Reuters) - Banco Bradesco SA, Brazil's No. 2 private-sector lender, plans to seek shareholder approval to raise about 3 billion reais ($780 million) to bolster capital following a ramp-up in loan-loss provisions and the purchase of HSBC Holdings Plc's local unit.