What does the passage mainly talk about?

At one point on Friday afternoon, Twitter’s stock was trading for under $ 16. 50 a share, down from nearly $25 earlier this month, when acquisition rumors began heating up. One analyst says it may be time for some cost-cutting, including layoffs, since the firm hasn’t been able to grow its way to profitability.

America’s anti-trust laws say that any share purchase worth $76 million or more must be approved by the Federal Trade Commission. However, in this case, a fund created with $ 75. 9 million of Valeant’s money circumvented the rule.