推特有效用户下降，股价下跌19%

Shares in Twitter dropped close to 20 percent Friday after the social media giant reported a fall in active users.

Twitter said it had 335 million monthly users in the second quarter of the year, which was down a million from the amount of monthly users in the first quarter of the year, and below the 339 million users Wall Street was expecting.

Twitter said that the number of monthly users could continue to fall next quarter as it continues to ban accounts that violate its terms of service and makes other accounts less visible.

The company says it is putting the long-term stability of its platform above user growth. However, the move has made it more difficult for investors to value the company as they rely on data of the platform's potential user reach.

Shares in Twitter closed at $34.12 Friday. The fall in share prices came despite Twitter reporting higher than expected revenue. During the last quarter, Twitter posted a profit of $100 million, marking the company's third consecutive quarter in profits.

The drop in Twitter shares comes a day after Facebook lost 19 percent of its value.

Facebook said Thursday that slower user growth in big markets and increased spending to improve privacy would hit margins for years, leading to the company's worst trading day since it went public in 2017.

社交媒体公司推特报告其有效用户数量减少后，公司股票价格星期五直落将近20%。

推特公司说，2018年第二季度的单月有效用户是3亿3500万，比第一季度减少了100万，并低于华尔街预期的3亿3900万。

推特说，单月有效用户的数量下一季度可能还会继续减少，公司在继续关闭违反服务协议的账号，以及降低某些账号的突出地位。

推特公司说，这个社交平台的稳定比用户增加更重要。不过，这使得投资者更难评估公司的价值，因为他们的主要标准是这个社交平台潜在的用户数量。

推特股票星期五以34.12美元收盘。推特报告了高于预期的营收，但股票仍然下跌。推特上一季度的利润为1亿美元。这是推特连续三个季度盈利。