PTT Chemical owns 47.9% of Myriant after it invested $60m in January.

3M New Ventures, the company's corporate venturing unit, and 3M Electro & Communications Business provided the money that will help Txtr provide access to documents and books wherever they are.

Corporate venturing backers behind coupon company Groupon could reap 200 times return on its flotation.

The company issued nearly 11 million shares at $18 each compared to an expected upper range of $17 per share prior to its initial public offering. A further 1.65 million shares can be sold if demand remains strong as it began trading at $20 each.

Andrew Birch, chief executive of Sungevity, said: "I am thrilled about the potential of reaching Lowe's 15 million weekly customers at their more than 1,750 retail locations, with Sungevity's services."

Active Network offered 8.2 million shares in its flotation, and selling stockholders sold 2.8 million.

Yandex sold more than 52 million ordinary shares at $25 each compared to a planned $22 to $24 range, for an initial market cap of about $8bn before a 55% first day pop in its share price.

News provider International Financing Review (IFR) said the Beijing-based company could soon mandate banks on the initial public offering, which is planned for the final three months of the year.

Monsanto had bought 3.3 million shares in Ceres's E round last year at $6.50 per share following a $137m collaboration signed in 2002 applying genomics technologies to identify genes that provide improvements in corn, soybean and certain other row crops, according to its regulatory filing.

In March, Solazyme aimed to raise $100m but now said it would issue 11.5 million shares, including 1.5 million if demand is strong enough as a so-called greenshoe allotment, at between $15 and $17 each. At the top end of its pricing range, Solazyme would have an initial market capitalisation of $965m.