) stock plunged 9.7%, or $3.29, to close at $30.68 Monday on the New York Stock Exchange (NYX
) amid pressure to suspend its dividend in wake of the growing Gulf oil spill
lost $10.6 billion in market capitalization in Monday trading. Costs related to the Gulf oil spill are estimated at $1.6 billion and counting
. U.S. officials are pressuring BP to reserve billions
for clean-up costs.