gave the stock market jitters on Monday. The image of a billowing black cloud near an official-looking, fenced-in building was tweeted by the Blue-check-verified @BloombergFeed account, which, along with several other accounts, has since been suspended.The confusion about Monday’s hoax confirmed what critics of Twitter Blue — which requires only a monthly subscription fee to be “verified” on the Elon Musk-owned platform — had feared, with fake accounts being confused for legitimate news outlets or companies.Andy Campbell, author of a book on the far-right group the Proud Boys, quote-tweeted the image before it was taken down.