What does the passage mainly talk about? [br] [originaltext]At one point on Fri

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.

Christie’s announced on Wednesday sales of $ 7. 1 billion for 2013 — the most in the auction house’s 248-year history. Money has never flowed through the auction rooms quite as fast as it did in 2013. Last year, the company held its first auctions in Shanghai and Mumbai to keep pace with the demand for high-end art from the new global elite.