STILL SINKING: Birkenstock continued to look for — and not find — traction during its second day on the New York Stock Exchange.
Shares of the German sandal maker fell another 6.6 percent to $37.55 on Thursday.
That left the stock down 18.4 percent from its IPO price of $46.
The company is still worth a pretty penny with a market capitalization of $7.1 billion — where owner L Catterton was said to buy the company…