Top Nanotech Value Plays

Updated from 7:59 a.m. EDT

Nano means extremely small; in mathematics, it means one billionth. Nanotechnology is the science of manufacturing and utilizing extremely small particles and devices, sometimes as small as single atoms and molecules.

A nanometer is one-billionth of a meter, which is approximately 80,000 times thinner than a human hair. Nanomaterials include carbon nanotubes used in electronics, body armor and cancer treatments; nanoclays, which are used in composite materials; and nanoscale metals, alloys and oxides, used in the energy and renewable-energy industries.

The following stocks in the nanotechnology field, including Boeing(BA Quote - Cramer on BA - Stock Picks) and RF Micro Devices(RFMD Quote - Cramer on RFMD - Stock Picks), all have market caps over $1 billion and are ranked by PEG ratio.

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A note from James Altucher:

Every weekend I send an email to Jim Cramer and several hedge fund managers about the most interesting portfolios posted on Stockpickr that week. Usually those portfolios not only list stocks according to a theme but also offer significant analysis as to why the stocks are cheap.

Here are some examples:

• Stocks related to drilling the Marcellus Shale
• MLPS with yields above 7%
• Microcaps trading for less than tangible book
• Stocks that do well after Hurricanes

Here's the challenge: Build a portfolio at Stockpickr.com with great analysis, and send me the link. Each great portfolio (with analysis) will get posted on TheStreet.com with your byline (as a "Stockpickr Guest Columnist") and will be included in my email I send to Jim and the other hedge fund managers on my list.