Click to get this free report SPDR-SP 500 TR (SPY): ETF Research Reports NASDAQ-100 SHRS (QQQ): ETF Research Reports SPDR-DJ IND AVG (DIA): ETF Research Reports To read this article on Zacks.com click here. The European Central Bank (ECB) came through on the commitment it made in October to sweeten its ongoing monetary policy stimulus program in order to spur growth and fight deflation within the common currency block. This morning's announcement expands the central bank's bond purchase program and cuts the ECB's deposit rate deeper into negative territory into -0.30% from the previous -0.20%.