Share the news to friends and circles of friends with wechat scanning QR code < / P > < p > on March 9. On Tuesday, local time, it was reported that US federal prosecutors and US securities regulators were investigating Barry Diller, chairman of IAC, US internet group His stepson Alexander von Furstenberg and famous musician David Geffen bought a large amount of Activision Blizzard options in January this year, and whether they are suspected of insider trading < p > it is reported that just a few days after the above three people made a bet on Activision Blizzard shares, Microsoft announced that it would spend a lot of money to acquire Activision Blizzard < p > the report quoted people familiar with the matter as saying that according to the recent stock price of Activision Blizzard of about $80, Diller, von Furstenberg and Gefen currently obtain about $60 million of unrealized profits through relevant option transactions < p > it is reported that the US Department of justice is investigating whether these option transactions violate insider trading laws. In addition, the securities and Exchange Commission (SEC) is also conducting an independent civil investigation on insider trading < p > spokesmen for the Justice Department and the SEC did not respond to requests for comment < p > IAC and the above three did not respond to requests for comment < p > Diller confirmed that regulators had contacted three people. But he added that none of them had substantive non-public information about Microsoft's acquisition of Activision < p > "it's just a lucky bet," Diller said. "We didn't receive any information from anyone. It's a coincidence." < p > in January this year, Microsoft announced its plan to acquire Activision, the developer of call of duty, for us $68.7 billion. If all goes well, this will be the largest transaction in the history of the game industry. (Chen Chen) < / P > < p >