George Soro keep MELA tight but SCIE's WaveStat is better colon scanner.
Here are a few more interesting details:
Among Soros' new holdings is MELA Sciences (NAS: MELA) , which reflects Soros' willingness to buy into very tiny companies. With a market cap recently around $100 million, it's the kind of company that Warren Buffett would typically pass up, deeming it too small to make a difference in a multibillion-dollar portfolio. MELA fans are excited about its melanoma detection device, which recently received FDA approval.