Meta's Threads app has signed up more than 30 million users in less than 24 hours. (Vuk Valcic/Zuma Press)
↗️ Rivian Automotive (RIVN): The electric-vehicle startup rose 2.6% ahead of the bell, suggesting it could gain for an eighth session. Rivian has been on a tear since it said deliveries rose in the second quarter.
↘️️ Levi Strauss (LEVI): The clothing company fell 6.8%…