Uber posted a $708 million loss in the most recent quarter and said its head of finance is leaving the company, the latest executive to depart in what has been a very tough year to date. Uber told The Associated Press Thursday that its first-quarter loss was narrower than the $991 million loss it posted in the previous quarter. It had revenue of $3.4 billion, up 18 percent from the final three months of last year. Even before the announced departure of head of finance Gautam Gupta, which the company announced Thursday, Uber has struggled . The San Francisco company recently lost its head of communications, president and other senior executives as it faces allegations of sexism and sexual harassment in the workplace.