Shares in Perth-headquartered pSivida Ltd fell more than 5 per cent today after the global bio-nanotech company announced that its non-renounceable rights issue had closed well short of the original fund raising target.

Shares in Perth-headquartered pSivida Ltd fell more than 5 per cent today after the global bio-nanotech company announced that its non-renounceable rights issue had closed well short of the original fund raising target.