The race for supremacy in the alternative energy and emerging tech space will be a long one. The key for investors with a more aggressive account profile who can buy these top names is to realize that this is not some small cottage industry appealing to those with a “green” bent, or techie geeks hoping for some life changing technology. This is directional energy and emerging technology that will be commonplace and critical to infrastructure as we know it in the next 20 to 30 years.

A new report from the alternative energy/emerging tech analysts at J.P. Morgan swaps out one of their top three names and offers some compelling back up for the top stocks to buy.

Canadian Solar Inc. (NASDAQ: CSIQ) is the top pick in the solar space at J.P. Morgan as the company is delivering panels at today’s costs against projects priced at generous FiT rates from two or more years ago. Canadian Solar is one of the world’s largest and foremost solar power companies. As a leading vertically integrated provider of solar modules, specialized solar products and solar power plants with operations in North America, South America, Europe, Africa, the Middle East, Australia and Asia, Canadian Solar has delivered more than 6 Gigawatts of premium quality solar modules to customers in more than 70 countries. The J.P. Morgan price objective for this top name is $41. The Thomson/First Call consensus number is set close by at $42.29. The stock closed Tuesday at $24 a share.

Fabrinet (NYSE: FN) is a top three pick at J.P. Morgan and is a leading provider of advanced optical packaging and precision optical, electromechanical and electronic manufacturing services to original equipment manufacturers of complex products, such as optical communication components, modules and subsystems, industrial lasers and sensors. The J.P. Morgan team thinks demand for optical communications systems components should grow over the next two to three years as the communications industry builds out 100G infrastructure. That could prove to be a strong catalyst for Fabrinet. The J.P. Morgan price target is $22.50, and the consensus target was not posted. The stock closed Tuesday at $20.54.

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Synaptics Inc. (NASDAQ: SYNA) is a leading developer of human interface solutions that enhance the user experience, Synaptics provides the broadest solutions portfolio in the industry. The ClearPad family supports touchscreen solutions for devices ranging from entry-level mobile phones to flagship premium smartphones, tablets and notebook PCs. The company announced Tuesday that for the fourth quarter of fiscal 2014 it expects to report record revenue in the range of $300.0 million to $310.0 million, up from its previous guidance of $275.0 million to $295.0 million, and representing an increase of 30% to 35% over the prior year period. Further, revenue for fiscal 2014 is expected to be $933.0 million to $943.0 million, an increase of 41% to 42% compared to the prior year. The improved revenue guidance is driven by better-than-expected performance for both mobile and PC products.

J.P. Morgan is very positive on Synaptics and has an $80 price target. The consensus price objective is at $80 as well. The stock closed Tuesday at $66.52. The stock was up huge in premarket trading after announcing Tuesday that it will buy the LCD drive IC unit of Renasas, along with raising its fiscal fourth-quarter guidance.

Alternative energy and emerging technology is at the forefront of where we are going. Very often, Wall Street gurus tend to focus too long on where we have been or are now. For investors with aggressive, long-term portfolios, these top names are a good fit.

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