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Reddit cites r/WallStreetBets as a risk factor in its IPO filing
(techcrunch.com)
This is a most excellent place for technology news and articles.
Not really no. It's not often that a stock is short sold really hard when there isn't an underlying reason Otherwise large investors could regognise this and just take a long position. The short seller is then screwed if the price doesn't drop far enough and fast enough before their options expire