NEW YORK ( TheStreet) -- Welcome to Don Dion's "Daily ETF Winners and Losers." Be sure to stop by each day to find out which ETFs are gaining or losing.

Winners

Guggenheim Solar ETF ( TAN) 8.0%

The volatile solar energy sector is powering higher, breaking a five-day streak of losses.

Its No. 4 holding, GT Advanced Technologies ( GTAT), is among the index's biggest gainer. On Monday it was announced that the firm would replace Radiant Systems ( RADS) in the S&P Small Cap 600 Index. The change is slated to occur at the close of trading Wednesday.

First Trust Dow Jones Select MicroCap Index ETF ( FDM) 3.8%

Micro-cap stocks are benefiting as upward market action drives investors back into risky asset classes.

Despite its strength, investors must be careful when venturing into this corner of the style box. Due to their small size, micro caps tend to behave in a volatile manner. Keep any exposure small and focused in order to avoid unwanted risk.

First Trust Dow Jones Internet Index Fund ( FDN) 3.9%

Strength across Internet-related darlings including Google ( GOOG), Amazon ( AMZN), and Salesforce.com ( CRM) are boding well for FDN as the fund attempts to recover ground lost during its steep August sell-off.

I encourage investors to continue to keep the tech sector under close watch.

iShares MSCI South Korea Index Fund ( EWY) 3.8%

South Korea is seeing some welcomed strength following three days of steep losses.

Emerging markets remain volatile as economic issues facing the developed weigh on investor sentiment. Be sure to tread carefully here to avoid becoming overexposed to volatile corners of the globe.

Losers

Global X Silver Miners ETF ( SIL) -3.4%

Silver is taking a hit as upward market action drives investors out of safe-haven asset classes like silver. While physically backed funds like iShares Silver Trust ( SLV) are in the red, the firms responsible for unearthing the sought-after commodity are leading the retreat.

Pain can be felt in other corners of the precious metal spectrum as well. Even industry-linked platinum is taking a shot. Shares of ETFS Physical Platinum Shares ( PPLT) are off over 1.5%.

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