Fueling Endless Rally Is Raft of Real-Time Reopening Data

  • Investors track everything from restaurant bookings to flights
  • You can feel the jail break as more venture out: Chris O’Keefe
Photographer: Bing Guan/Bloomberg
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Amusement parks tickets. Business-class plane reservations. Drive-thru traffic at McDonald’s.

Now more than ever, investors are leaning on real-time data to buttress their bullishness on the U.S. stock market. They’re sifting through an ever-widening array of snapshots at a time when some government figures are being distorted by year-ago comparisons to an economy hobbled by a recession.