Retail exchange traded funds jumped more than 2% in Tuesday’s market rally with JC Penney (NYSE: JCP) and Best Buy (NYSE: BBY) pacing the sector’s gains.

JC Penney soared nearly 20% on news the department-store giant has hired Apple (NasdaqGS: AAPL) executive Ron Johnson as its new CEO.

The sector ETFs shrugged off a report that U.S. retail sales declined in May. Meanwhile, Best Buy added 5% after upbeat quarterly results. [Retail ETFs in Spotlight on May Sales, Best Buy Results]

Exchange traded funds that profit from higher market volatility pulled back sharply on Tuesday, suggesting traders see the rally marking a short-term bottom in stocks. [VIX ETFs Plummet]

ETFs that invest in coal-related stocks are down so far this year but may be due for a bounce at the bottom of their 2011 trading ranges. [Coal ETFs Stuck]

An exchange traded fund following the movement of Brazil’s currency against the U.S. dollar has been rising after a steep pullback in late 2010 due to government intervention. [Brazilian ETF Creeping Higher]

Exchange traded funds have opened new markets and asset classes to individual investors. Passive ETFs provide liquid and cost-efficient exposure to markets, but investors should be mindful of the risks, especially with more sophisticated ETFs. [Don’t Overlook ETF Risks]

ETFs tracking solar and clean energy stocks rallied more than 3% Tuesday after GT Solar International (NasdaqGS: SOLR) boosted its fiscal first-quarter outlook and raised its backlog expectations for the full year. [GT Solar Heats Up Clean Energy ETFs]

In this options expiration week, traders are looking for an oversold bounce in U.S. stocks near the S&P 500’s channel support. [S&P 500 ETF Higher]