$Yalla (YALA.US)$ Speculation last night was that it was a c...

There are two reasons. One is that the company has recently held a series of activities, such as analyst day and user interviews, and the media has started to create publicity. Second, seven is the company's short sniper's safety, the listed company issued 1860 w shares, then for a variety of original shareholders holdings, staff released, the market there is 3500 w, the company's $150 million, equivalent to 50% of the market value of shares outstanding in this position, short position can't be scored, companies can eat all of the following seven empty single, short covering. Shorts have no profit to speak of and are expected to recede.