Losers at Nasdaq: Weibo (NASDAQ:WB), Acura Pharmaceuticals (NASDAQ:ACUR), Sungy Mobile (NASDAQ:GOMO), RMG Networks Holding (NASDAQ:RMGN), Vital Therapies (NASDAQ:VTL)

Analysts at Credit Suisse began coverage on shares of Weibo Corp (ADR) (NYSE:WB) in a research report issued to clients and investors on Tuesday, TheFlyOnTheWall.com reports. The firm set an “outperform” rating and a $23.00 price target on the stock. Credit Suisse’s target price indicates a potential upside of 19.73% from the stock’s previous close. Weibo Corp (ADR) (NASDAQ:WB) stock performance was -5.23% in last session and finished the day at $20.12. Traded volume was 1.30million shares in the last session and the average volume of the stock remained 3.22million shares.

Acura Pharmaceuticals, Inc (NASDAQ:ACUR) was downgraded by TheStreet from a “hold” rating to a “sell” rating in a research note issued on Tuesday. Acura Pharmaceuticals, Inc. (NASDAQ:ACUR) dropped -7.89 percent to $1.05 Thursday on volume of 159,858.00million shares. The intra-day range of the stock was $1.05 to $1.15. Acura Pharmaceuticals, Inc. (NASDAQ:ACUR) has a market capitalization of $51.29million.

Sungy Mobile Ltd (NASDAQ:GOMO) down 16.4 percent on 28 May 2014 after the company reported Q1 EPS of $0.11, $0.04 worse than the analyst estimate of $0.15. Revenue for the quarter came in at $15.6 million versus the consensus estimate of $15.27 million. Sungy Mobile Ltd (NASDAQ:GOMO)’s stock on June 19, 2014 reported a decrease of -7.13% to the closing price of $14.20. Its fifty two weeks range is $11.59 -$33.87. The total market capitalization recorded $459.44million. The overall volume in the last trading session was 168,705.00million shares. In its share capital, GOMO has 33.45million outstanding shares.

RMG Networks Holding Corporation (NASDAQ:RMGN) on May 8 announced its financial results for the first quarter ended March 31, 2014. Total first quarter adjusted 2014 revenues were $12.6 million, a decrease of 16% from $15.0 million of pro forma combined revenues in the first quarter of 2013. Adjusted EBITDA loss was $5.3 million compared to pro forma combined adjusted EBITDA loss of $0.8 million in the first quarter of 2013, decreasing for the reasons described above. On Thursday, shares of RMG Networks Holding Corporation (NASDAQ:RMGN) dropped -7.32% to close the day at $1.90. Company return on investment (ROI) is -21.90% and its monthly performance is recorded as 65.22%. RMG Networks Holding Corporation (NASDAQ:RMGN) quarterly revenue growth is -66.90%.

Biotherapeutic company Vital Therapies Inc (NASDAQ:VTL) has seen no estimate revision in the last 7 days. The Zacks Consensus Estimate hasn’t been in trend either. Yesterday’s price action is encouraging though, so make sure to keep a close watch on this firm in the near future. Vital Therapies currently has a Zacks Rank #3 (Hold). Vital Therapies Inc (NASDAQ:VTL) stock performance was -23.03% in last session and finished the day at $23.49. Traded volume was 182,517.00million shares in the last session and the average volume of the stock remained 96.31K shares.