Internal emails revealed in court and interviews with ex-employees describe how Amazon’s practices drove up prices for competitors like Walmart and Target. Amazon denies price-fixing claims and says it works to lower costs for consumers

A “modern leather” table lamp, listed online at Walmart, shot up from $24.99 to $39.

The price of an air fryer on a retail site called Newegg went from $84.99 to $149.99.

An electric ice-cream maker was listed at just $17.99 at Amazon and Best Buy. Then it became unavailable at Best Buy, and more than tripled in price to $59.99 at Amazon.