On Thursday shares of Dicerna Pharmaceuticals, Inc. (NASDAQ:DRNA) closed at $21.11. Dicerna Pharma (NASDAQ:DRNA) presented preclinical data demonstrating the feasibility of its proprietary DsiRNA-EX Conjugate-mediated delivery technology in enabling direct delivery of its RNAi-based investigational therapy to the liver via subcutaneous injection.

VolitionRX Ltd (NYSEMKT:VNRX) in last trading activity moved up 8.67% to close at $3.26. Company weekly performance is -2.40% while its quarterly performance stands at -20.49%. VolitionRX Ltd (NYSEMKT:VNRX) is -64.87% away from its 52 week high. VolitionRx Limited (NYSE MKT:VNRX), announced that, in conjunction with the filing of its quarterly report on Form 10-Q for the first quarter ended March 31, 2015, it will host a conference call on May 12, 2015, at 8:30 a.m. United States Eastern Time.

On last trading day AV Homes, Inc. (NASDAQ:AVHI) fell -0.69% to close at $15.79. Its volatility for the week is 2.43% while volatility for the month is 2.20%. AVHI’s sales growth for past 5 years was 31.30% and its EPS growth for past 5 years was 50.80%. AV Homes, Inc. (NASDAQ:AVHI) monthly performance is -0.69%. A V Homes Inc. (NASDAQ:AVHI) on April 30, reported a loss of $5 million in its first quarter. On a per-share basis, the Scottsdale, Arizona-based company said it had a loss of 23 cents. The homebuilder posted revenue of $58.8 million in the period.

PFSweb Inc. (NASDAQ:PFSW) has 1.50% insider ownership while its institutional ownership stands at 43.50%. In last trading activity company’s stock closed at $13.01. Zacks upgraded shares of PFSweb (NASDAQ:PFSW) from a hold rating to a buy rating in a research report released on Thursday morning. Zacks currently has $15.00 price objective on the stock.

On Thursday shares of MannKind Corp. (NASDAQ:MNKD) closed at $4.02. MannKind Corp. (NASDAQ:MNKD) reported net loss for the first quarter of $30.7 million or $0.08 per share, compared to a net loss of $52.1 million or $0.14 per share for the year-ago quarter.