Investment HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Urges Investors in Extraction Oil & Gas (XOG) Who Have Suffered Losses to Contact its Attorneys: Firm Investigating Improper Accounting and Possible Securities Fraud – PRNewswire December 25, 2019 johorbiznet Johor News HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Urges Investors in Extraction Oil & Gas (XOG) Who Have Suffered Losses to Contact its Attorneys: Firm Investigating Improper Accounting and Possible Securities Fraud PRNewswire Source: Investment New Feed