This is WHY?

https://finance.yahoo.com/news/gross-law-firm...00001.html
https://finance.yahoo.com/news/klein-law-firm...00443.html
https://finance.yahoo.com/news/shareholder-al...00806.html
https://finance.yahoo.com/news/sorrento-class...00245.html
https://finance.yahoo.com/news/shareholder-ac...00473.html
https://finance.yahoo.com/news/class-action-b...00788.html
https://finance.yahoo.com/news/srne-sharehold...00970.html
https://finance.yahoo.com/news/lawsuits-filed...00414.html
finance.yahoo.com/news/shareholder-alert-pomerantz-law-firm-213336149.html

and others:
https://finance.yahoo.com/quote/SRNE?p=SRNE&a...c=fin-srch