March effect
n.— «The move to garner more deposits by offering up to double-digit rates this month is primarily because it is the end of this financial year when banks try to meet their annual fund targets. This, the industry calls the “March effect.”» —“April may see end of interest splash for FDs” by Deepti Bhaskaran Indian Express (New Delhi, India) Mar. 22, 2007. (source: Double-Tongued Dictionary)