StubHub and Cerebras Lower; Birkenstock Rallies

Today's biggest winners and losers in the stock market.
On this episode of Stock Movers:
- StubHub (STUB) shares are dropping after the company reported earnings per share for the second quarter that missed the average analyst estimate. 
- Birkenstock (BIRK) is rallying after the footwear maker boosted its adjusted Ebitda forecast for the full year. The German company also reported better-than-expected sales for the second quarter.
- Cerebras (CBRS) is lower after the company projected slower growth than some investors anticipated, causing its shares to fall in premarket trading.

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