Thursday is turning out to be a bad day for Block (NYSE:SQ) stock. Shares of the digital payments specialist are down 14%, as of this writing, after a short seller launched an attack on the company.

Block experiences solid business growth, but margins are compressing. There is massive dilution. SQ stock's valuation remains lofty. Overall, Block does not look too attractive. Looking for a helping ...

Yesterday, Hindenburg issued a long short report on Block and the stock dropped 15%. I have read the full report and categorize the accusations in two categories: nothingburgers and more substantial ...