P.M. Edition for Feb. 7. China’s biotech industry is creating new drugs more cheaply and quickly than its U.S. counterparts. WSJ Heard on the Street columnist David Wainer tells us what’s behind the sector’s rise. Plus, new data show the U.S. economy added fewer jobs than expected in January. We hear from WSJ finance news editor Christina Rexrode about what this mixed report means about the health of the economy. And a survey suggests that American consumers are less optimistic about the economy than they were before Trump took office. Alex Ossola hosts.

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