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AMD CEO Lisa Su on second-quarter earnings and revised 2019 guidance

Shares of Advanced Micro Devices were under pressure before the bell Wednesday. Despite the ongoing tariff headwinds, the chipmaker reported in line earnings but a lower than expected revenue forecast. President and CEO Lisa Su joins CNBC's "Squawk on the Street" team to talk about the company's earnings and outlook.
Wed, Jul 31 201910:26 AM EDT