This Heat Wave's So Bad It's Even Slowing Down U.S. Stock Trades

East Coast Heat Wave Slowing Down Stock Trades
Lock
This article is for subscribers only.

The swampy heat wave pummeling the New York City area is slowing everybody down -- and high-speed traders are no exception.

High humidity is impeding radio transmissions Tuesday among three New Jersey data centers where U.S. stocks trade, according to a note Nasdaq Inc. sent customers. It’s taking about 8 microseconds longer to send information from Nasdaq’s facility in Carteret to the New York Stock Exchange data center in Mahwah, and an extra 2 microseconds to send data to Cboe Global Markets Inc.’s exchange in Secaucus.