This press release not yet on the SEC website ... (Update: it's there now.) NQ Mobile Provides Update on Filing of Form 20F (May 15, 2014):
The Company continues to work to file its annual report for the year ended December 31, 2013 as soon as possible. As previously disclosed by the Company in a press release dated April 30, 2014 and in its Form 12b-25 filed with the Securities and Exchange Commission, the Company is unable to file on time its annual report on Form 20-F because it needs additional time to complete it.
Emphasis mine.
This Bloomberg article appeared on Wednesday morning: Carson Block Followers Bet on 46% Collapse in NQ Mobile (May 14, 2014 10:23 AM)
About two-thirds of the record 345,000 bearish options that investors hold will expire by May 17, two days after the deadline the company set to conclude an investigation into Block’s allegations. The most popular options contracts, known as puts, will make money if the shares drop 46 percent from yesterday’s close.Stock borrowed for short selling amounts to 26 percent of shares outstanding, the highest among the most-traded Chinese companies listed in the U.S.
...
Puts with a strike price of $6, about 46 percent below the yesterday’s close, have the biggest open interest with more than 97,000 contracts. Short interest ... rose to a record 15 million on April 15 before decreasing to 13.1 million at the end of last month, according to data from U.S. exchanges. It accounts for 26 percent of shares outstanding, the highest ratio among Chinese ADRs with a market valuation of $300 million or more.
NQ Mobile Falls to 10-Month Low After Annual Report Delay (May 15, 2014 1:16 PM)
Canaccord Genuity Corp., one of three research firms which this year have recommended that investors buy NQ Mobile shares, said today that it is suspending its rating and price target on the stock.
Piper Jaffray discontinued coverage of NQ on April 3, 2014 "due to a realignment of analyst resources."