So Birkenstock stock got hit pretty hard on Thursday morning - down 5% premarket. At first glance the earnings looked solid: sales up 11% YoY and they actually beat on EPS. But here's the catch that's spooking people.

Margins are taking a real hit. EBITDA margin compressed by 170 basis points to 26.5%, and it's not just one thing. Currency headwinds ate up 230 basis points alone, then you've got the tariff situation cutting another 130 basis points. That's a nasty combo. They did manage to offset some of it through price increases and better efficiency, but clearly not enough to satisfy the market.

Regionally the growth story is actually pretty good - APAC crushing it with 28% growth, EMEA up 16%, Americas more modest at 5%. CEO Oliver Reichert is talking about the strong holiday demand and their three-year plan targeting 13-15% revenue growth. They even raised full-year guidance to $2.759-$2.808 billion.

Telsey Advisory kept their Outperform rating and $60 price target, but the market's worried about those margin pressures sticking around. Stock's trading around $38 now. Guess investors are waiting to see if management can actually navigate through the tariff and currency headwinds without squeezing margins further.