There's an apt story in business: There's always room for one more. Take McDonalds (MCD) and Burger King (BKC) for example. Burger King competes directly with McDonalds.

The same is true in the exchange-traded fund (ETF) craze. There is already an ETF that tracks smartphones: the NASDAQ OMX CEA Smartphone Index (QFON). But like Burger King, we have a brand new ETF that tracks smartphones and other major holdings: the First Trust NASDAQ CEA Smartphone Index Fund (FONE).

"Some August weakness wouldn't be abnormal and should be viewed as a great buying opportunity," say resource experts Pamela and Mary Anne Aden.

As they discuss in their advisory service, The Aden Forecast, from a longer-term perspective they remain bullish on gold and oil as well as stocks, particularly those in the tech sector.

They explain, "One thing is pretty clear: most markets are overbought for the time being, but in the bigger picture they're clearly oversold (in an area that normally coincides with major market bottoms).

"The stock market's major trend is clearly up, signaling stocks are going to rise further in the months ahead, and probably beyond.