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.

The problem is that the IRS is still not flagging partnership returns with a blank Line 10 or a dubious figure. That means none of them are delivered to auditors. And Curnutt discovered that the IRS needs to check Line 10 only for the year when property with big debts is disposed of, typically 20 years after purchase.