January 23, 2018 / 12:41 AM / 9 months ago

Impinj shares pare gains as Amazon.com says no RFID used at automated store

SAN FRANCISCO (Reuters) - Shares of radio-frequency identification (RFID) chipmaker Impinj Inc pared gains on Monday after Amazon.com Inc said its new checkout-free grocery store, which opened to the public on Monday, does not use the technology.

Signage is seen inside Amazon’s first cash register-free grocery store, in Seattle, Washington, U.S., January 18, 2018. Photo taken January 18, 2018. REUTERS/Jeffrey Dastin

Investors have speculated that Impinj could sell components to Amazon. Its shares surged as much as 18 percent earlier in the session. They were up 8.5 percent at $25.19 in early afternoon trading.

Reporting by Jeffrey Dastin; Editing by Bill Rigby

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