Ireland-based pharmaceutical firm Allergan acquires Northwestern spinout Naurex in $560m deal.

Baxter, Takeda, Shire and Lundbeck will all exit central nervous system disorder drug developer Naurex, which had raised $160m in funding.

Celgene will invest $17m in the immuno-oncology company, also backed by Sorrento, as it floats in the largest biotech initial public offering ever.

Games console maker Ouya, which has raised $25m in VC money, has been acquired by Razer, providing an exit to Nvidia and Alibaba.

The mobile payment company has filed confidentially for an initial public offering that would grant exits to Visa, Citi and Starbucks.

The flat screen television producer, backed by two of its manufacturing partners, is set to go public 13 years after it was founded.

Grace Beauty-backed advertising optimisation platform GraphScience has been acquired by adtech company Centro for an undisclosed sum.

Metaps, which has grown from an app monetisation platform into a more diversified technology business, is set to go public, giving exits to Intec and MotionBeat.

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The semiconductor companies have exited digital power technology producer Powervation, which had raised $40m, in a $70m acquisition by Rohm.