Given the task definition and input, reply with output. In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.

Groupon CEO: “I Was Fired Today.” 
  
 Andrew Mason’s numbered days as CEO of Groupon have finally come to an end. Following another quarter of lousy earnings, the company said Thursday that Mason is stepping down, effective immediately. Executive Chairman Eric Lefkofsky and Vice Chairman Ted Leonsis have been tapped to run a newly created Office of the Chief Executive until Groupon finds a new CEO. 
  
 The announcement follows an ugly fourth-quarter earnings report, in which the company posted a GAAP loss of 12 cents per share — 10 cents more than Wall Street was looking for. Groupon’s stock, which tanked more than 20 percent after the company posted financials yesterday, is now up more than 10 percent on news of Mason’s ouster. (A nice bump. The company should consider firing Mason every day.) 
  
 The iffy nature of Mason’s status was apparent during yesterday’s earnings call, when company spokesman Paul Taaffe was asked whether the latest results would affect Mason’s role. His answer: “He’s here today.” 
  
 In a message to Groupon employees, Mason announced the move, which has been rumored for months. “After four and a half intense and wonderful years as CEO of Groupon, I’ve decided that I’d like to spend more time with my family,” Mason wrote. “Just kidding — I was fired today. If you’re wondering why … you haven’t been paying attention.” The full memo is below, and below that there’s video of Mason in happier times: Onstage at D9, refusing to answer questions about the IPO papers Groupon would file the next day. ||||| One day after its disappointing earnings report, Groupon Inc. ousted its Chief Executive Andrew Mason on Thursday. WSJ's Evenlyn Rusli reports. (Photo: AP) 
  
 Groupon Inc. on Thursday fired its eccentric 32-year-old chief Andrew Mason a day after the daily-deals company reported a quarterly loss that missed expectations and heightened scrutiny about whether its business model is flawed. 
  
 During a board meeting Thursday morning, Groupon directors requested Mr. Mason exit the company immediately, said a person familiar with the board. 
  
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Groupon gave CEO Andrew Mason the boot today after another lousy earnings report, and the company's long-suffering stock immediately jumped more than 7%, reports the Wall Street Journal. The ouster wasn't much of a surprise, and Mason himself seems to have accepted it with sense of humor intact, as evidenced by his farewell memo to employees picked up by AllThingsD. "After four and a half intense and wonderful years as CEO of Groupon, I’ve decided that I’d like to spend more time with my family," it begins. "Just kidding—I was fired today." Mason runs through some of the problems Groupon has faced, including "controversial metrics," and says he is accountable as CEO. But he's also "terribly proud" of the company he co-founded. "I’m OK with having failed at this part of the journey," he writes. "If Groupon was Battletoads, it would be like I made it all the way to the Terra Tubes without dying on my first ever play through."