The stock market struggled to start the week, but then rebounded bullishly, with the key indexes closing narrowly mixed. Dell Technologies (DELL) and Snowflake (SNOW) skyrocketed on results, though Palo Alto Networks (PANW), Broadcom (AVGO) and Credo Technology (CRDO) were among the losers. Bitcoin and crypto plays surged on a weaker dollar. Tesla (TSLA) Cybercabs joined the robotaxi network. Stock…