Company announcements are usually posted on the noticeboard.

公司通告通常贴在布告栏里。

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If you're a publicly traded company, publishing financial announcements need to happen on the wires first, or at least at the same time as publishing the press release on your own web site.

如果你是一家公开上市的公司，那就需要首先在新闻通讯社公开财务公告，或者，至少可以在你自己的网站上同时公布新闻稿。

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One view, which the company itself is vigorously promoting, is that the resignations and the firm's public announcements are indicative of Alibaba’s underlying integrity and quality.

一个观点（该公司大力推进）是辞职事件和公司的公告表明了阿里巴巴根本的质量和诚信标准。

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The SEC charges Ballas with goosing up stock prices using positive, but false, company announcements.

FORBES: Magazine Article

Hong Kong law merely sets limits on such dealings, like banning them before major company announcements.

CNN: Not in Hong Kong at least, so that rally may not last

But the SEC and options-market regulators haven't had a breakthrough case stemming from options trading around significant company announcements.

WSJ: Writing on the Wall: Insiders on Heinz Deal Have Company