ALBAWABA — Hindenburg Research on Thursday found itself a new target, Jack Dorsey’s Block, releasing a scathing report that alleges the company allowed fraudulent accounts that obscure criminals involved in illegal or illicit activities, among other things. Block, the company behind Cash App, which also owns Square, Weebly, Afterpay and music-streaming service Tidal, saw its shares slide 15 percent on Thursday after the report came out and another 1.94 percent ...