July 24 (Reuters) - Australia's top investment bank, Macquarie Group MQG.AX, on Thursday reported a decline in first-quarter net profit due to lower contributions from its asset management arm and commodities and global markets unit.
Separately, the company said Alex Harvey will step down as chief financial officer.
(Reporting by Roushni Nair and Sneha Kumar in Bengaluru; Editing by Mohammed Safi Shamsi)
((Sneha.Kumar@thomsonreuters.com; Roushni.Nair@thomsonreuters.com))