First Solar is up more than 30% in 2014, while SolarCity is losing 2%. But TheStreet senior contributor Dan Dicker tells Joe Deaux that he expects more upside in the longer term for SolarCity as the solar panel space shifts to individual rooftop panels from large industrial projects. Dicker says investors should consider holding SolarCity as part of their portfolio. Shares of First Solar were surging more than 7% on Tuesday, while shares of SolarCity were gaining more than 1%.

At the time of publication, Dicker was XXX, but positions can change at any time.

Dan Dicker has been a floor trader at the New York Mercantile Exchange with more than 25 years of oil trading experience. He is a licensed commodities trade adviser.

Dan is currently President of MercBloc LLC, a wealth management firm and is the author of "Oil's Endless Bid," published in March of 2011 by John Wiley and Sons.

Dan Dicker has appeared as an energy analyst since 2002 with all the major financial news networks. He has lent his expertise in hundreds of live radio and television broadcasts on CNBC, Bloomberg US and UK and CNNfn.

Dan obtained a bachelor of arts degree from the State University of New York at Stony Brook in 1982.

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