Your Weekend Reading: The Cryptocurrency Craze Gets Even Crazier

The halt in using Johnson & Johnson’s Covid-19 vaccine could last several weeks and risks crimping America’s vaccine drive at a pivotal moment. Our reporter takes you inside a site in Atlantic City, where speed is everything in churning out syringes. But in some states, unused vials are piling up as appointments go unclaimed. In New York, more than half of adults have had at least one dose. Elsewhere, scientists are baffled about why Covid is deadlier in Brazil than India. And concern is growing that China’s shots are less effective than those developed by Pfizer-BioNTech and Moderna.

SPACs and meme stocks generated revenue windfalls for Goldman Sachs and JPMorgan, while Bank of America and Citigroup struggled with declining loan growth. To get a shot at a Wall Street job, some Chinese students are paying $12,000 or more to career consulting firms.