Print At 1 a.m., the first alarm goes off. Blanca Lopez shakes off the sleep. For the last eight months, she’s been telling herself the same thing. “I need to hustle. I’m so young, I need to make this money.” For the record: 9:35 AM, Mar. 17, 2021An earlier version of this story said confetti appears on the Robinhood app whenever a user makes a transaction. It appears only on the first trade. The 23-year-old South L.A. native, a case manager for a senior home, reaches for her iPhone and opens up Webull, an investing app that has surged in popularity since January. The app enables her to buy and sell stocks 5½ hours before the market opens for regular trading.