CNN today-

BP shares closed below $27. "Some analysts say that an end to the downward spiral could be far from reach, as investors offload the stock on fears that cleanup, legal and regulatory costs could soar."

BP's market capitalization has fallen to $85 billion from more than $160 billion, "leaving BP quite vulnerable."

http://money.cnn.com/2010/06/25/news/companies/BP_stock_price/