Is it legal for an investment firm to announce some positions/trades that aren&#39;t true?
<p>Taking as example the <a href="https://en.wikipedia.org/wiki/GameStop_short_squeeze" rel="nofollow noreferrer">2021 GameStop short squeeze</a>, is it legal for an investment firm to announce some positions/trades that aren't true?</p>
<p>The question was triggered by this <a href="https://twitter.com/xtrends/status/1355264538023759880" rel="nofollow noreferrer">Tweet</a> (<a href="https://web.archive.org/web/20210201071707/https://twitter.com/xtrends/status/1355264538023759880" rel="nofollow noreferrer">mirror</a>):</p>
<p><a href="https://i.stack.imgur.com/07Ugv.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/07Ugv.png" alt="enter image description here" /></a></p>

<h2>No</h2>
<p>Lying about a trade would be <a href="https://en.wikipedia.org/wiki/Market_manipulation" rel="nofollow noreferrer">market manipulation</a>.</p>

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