A Hard Lesson In Indexing: Zulily Versus Consumer Discretionary Select Sector SPDR ETF By: TalkMarkets December 23, 2014 at 13:23 PM EST ZU is down about 8% in what looks like continuation selling from November’s post-earnings breakdown and gap down. Read More >> Related Stocks: CONSUMER DISC S&P Retail SPDR SPDR S&P 500 ETF Trust Standard & Poors 500 Ultra S&P500 2X ETF