By Michael Oneal | Rubicon
Technology Inc., a Franklin Park materials science company that went
public in 2007, priced a secondary offering of 2.6 million shares of
common stock at $30 per share. The company will sell 1.8 million shares, while selling shareholders
will unload  834,000 shares. Rubicon hopes to raise $50.2 million, or
$61.5 million if it sees an opportunity to exercise an over-allotment
option.

Rubicon, which has a proprietary process for growing monocrystalline sapphire and other crystalline products for light-emitting diodes, radio frequency integrated circuits, blue laser diodes, optoelectronics, and other optical applications.
.
The stock has risen from a 52-week low of $8.70 a share to a close yesterday of $31.50.

Chicago-based CBOE Holding Inc. on Tuesday surprised the market by completing a highly-successful initial public offering in a sluggish environment for IPOs. Smaller companies like Rubicon, however, have been having a more difficult go of it this year experts said.