本期内容：

In a lawsuit filed in federal court in New York, the Securities and Exchange Commission accused Mr. Musk of committing fraud by making false public statements with the potential to hurt investors. The suit seeks to bar Mr. Musk from serving as an executive or director of publicly traded companies like Tesla. The shares tumbled more than 12 percent in after-hours trading after the S.E.C. filed its lawsuit. The case is likely to send shock waves across corporate America and could lead to a re-evaluation of how companies use Twitter to communicate with the investing public.

file: vt. 提交（n. 文件；档案）
file a lawsuit: 提交诉讼
federal: adj. 联邦的
federal court: 联邦法院
state court: 州立法院
Securities and Exchange Commission:（美）证券交易委员会
accuse: vt. 指责；控告
seek: v. 找寻；寻求
bar: vt. 禁止；阻拦
tumble: v. 摔倒；（价格）暴跌
after-hours trading: 盘后交易
pre-market trading: 盘前交易

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