Teva still owns a minority stake in Alcobra, Globes added and said former Teva vice-president of innovative ventures, Aharon Schwartz, is now Alcobra's chairman.

In November 2010, RedHill Biopharma, an Israel-based biopharmaceutical company started the year before, raised more than $10m from a consortium including mutual fund manager Fidelity Investments' Biosciences venture capital (VC) team.

Xoom secured $25m in financing from existing investors in 2011, as part of a $58m series F round raised between 2009 and 2011 at $11.45 per share.

E-commerce company Bluestem has withdrawn a $150m IPO, originally filed in 2011.

Google-backed SolarCity, a US-based provider of solar energy services, has raised $92m in its IPO, missing an initial $151m target.

Chinese social media firm YY begins IPO on the NASDAQ Stock Exchange. The share prices rose 7.7% after the first day of trading.

Games company Colopl and applications developer Enish to list in Japan next month.

The Russia-based internet group sells stakes in the US-based daily deals, gaming and social media companies.

Carrier-class WiFi solutions provider Ruckus Wireless has raised $126m from the sale of 8.4m shares priced at $15 each in its IPO.

Nanomedicine firm Nanobiotix, a spinoff from the University of Buffalo, raises $18.1m in its initial public offering.