Wall Street indexes ticked higher after the open, putting stocks on track to add to 2022’s early gains. Here’s what we’re watching in Tuesday’s trading:

• Apple on Monday briefly touched $3 trillion in market value, becoming the first U.S. company to do so.

• Tesla shares on Monday also notched a strong start to 2022 on the heels of reporting that its deliveries of vehicles surged last year.
• Ford Motor said Tuesday it has doubled its goal for manufacturing its new electric version of the F-150 pickup truck, targeting 150,000 per year.
• Shares of Chinese e-commerce company Jowell Global dropped in early trading, adding to Monday’s loss when the stock closed down 59%.
• U.S. health regulators cleared use of a Covid-19 booster from Pfizer and BioNTech in adolescents 12 to 15 years old, expanding access to an extra dose that could bolster the fight against the Omicron variant.
• Cruise operators Carnival and Royal Caribbean were ticking higher, just days after the CDC recommended all Americans avoid cruise ships, even if they are vaccinated.
• AT&T and  Verizon said they agreed to delay their rollout of a new 5G service for two weeks, reversing course after previously declining a request by U.S. transportation officials.
• MillerKnoll  and  Smart Global Holdings  are among the companies reporting earnings Tuesday.

Chart of the Day

• Large lenders in Australia and Spain are offering customers cryptocurrency assets for the first time.

Write to James Willhite at james.willhite@wsj.com