TWTR - Hot Stocks: TWTR Musk saga continues; NVDA downgrade; SHOP stock split; AFMD clinical data

Elon Musk's investment in Twitter (NYSE:TWTR) returned to the headlines in Monday's pre-market trading. Shares of the social media giant fell on news that the world's richest person won't join the company's board of directors, despite previous reports that he would. Elsewhere in the market, Nvidia (NVDA) also suffered pre-market weakness, dragged down by an analyst's downgrade. On the other side of the spectrum, Shopify (SHOP) posted a pre-market gain on news of a stock split. Affimed (AFMD) also showed strength, staging a double-digit percentage advance following the release of updated clinical data. Decliners Twitter (TWTR) dropped nearly 2% after Elon Musk decided not to join the board of Twitter. The news was disclosed in a tweet from CEO Parag Agrawal. TWTR rallied early last week on news that Musk had taken a 9.1% stake in the social media giant. Previously, it was reported that Musk would join TWTR's board.

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Hot Stocks: TWTR Musk saga continues; NVDA downgrade; SHOP stock split; AFMD clinical data