Block ($SQ@US) fell 1.9 percent in premarket trading on Friday and continued Thursday’s decline after short-seller Hindenburg Research alleged that Block facilitates fraud. Coinbase ($COIN@US) fell 2.3 percent in premarket trading after it disclosed that it received a Wells Notice from the Securities and Exchange Commission. Deutsche Bank ($DB@US) sank 13 percent in premarket trading following a spike in credit default swaps. Incyte ($INCY@US) fell more than 3 percent in premarket trading after the pharmaceutical company issued a regulatory update on an extended-release tablet that treats myelofibrosis.