NEW YORK--(BUSINESS WIRE)--Keefe, Bruyette & Woods, Inc., a full‐service, boutique investment bank and broker‐dealer that specializes in the financial services sector, and a wholly owned subsidiary of Stifel Financial Corp. (NYSE:SF), announces the upcoming index rebalancing for second quarter of 2015. As part of this rebalancing, below are the component level changes across various indices: KBW Bank Index (Index Ticker: BKX, ETF Ticker: KBWB): Add: Citizens Financial Group, Inc. (NYSE: CFG