The table below shows the StockCharts Technical Rank (SCTR) for our ETF universe. This table is sorted by "change" with the biggest gainers at the top. In particular, the SCTR for the Home Construction iShares (ITB) surged 23.5 points and moved above 75 and the SCTR for the Retail SPDR (XRT) surged 15.1 points and moved above 60. These two are suddenly showing relative strength and this is a positive sign for the consumer discretionary sector. You can read more about the SCTR calcuations in our ChartSchool article.