pSivida Corp. (Boston) said that it received notification from the Nasdaq stock market that it had regained compliance with marketplace rule 4450(a)(5) relating to the maintenance of a minimum $1 bid price of the company's American Depository Shares (ADSs). The company had been notified in December 2007 that it was in violation of Nasdaq's minimum bid price requirements. Since then, the company's ADSs maintained a closing bid price at $1 or greater for at least 10 consecutive business days. Accordingly, Nasdaq notified the company that it had regained compliance with the Rule and that the matter is now closed.

World Heart to delist from Toronto exchange

World Heart (Oakland, California) said that the company has decided to voluntarily delist its common shares from the Toronto Stock Exchange. The company's business moved primarily to the U.S. in 2005 and about 80% of the stock trades occur on the Nasdaq Capital Market.

The company's common shares continue to be listed on the Nasdaq Capital Market.

WorldHeart makes mechanical circulatory support systems.