BP stock prices again fell. By January 2007, the explosion, coupled with a pipeline spill in Alaska and production delays in the Gulf of Mexico, left BP's stock down 4.5% from its position prior to the Texas City explosion. However, by April 2007, stocks had rebounded 13% erasing the 8.3% loss from 2006. Declining oil prices and concerns over oil sustainability also caused shares to fall in value in late 2008. The Deepwater Horizon oil spill in April 2010 initiated a sharp decline in share prices, and BP's shares lost roughly 50% of their value in 50 days. BP's shares reached
Volume and extent of the Deepwater Horizon oil spill collected before it could enter the Gulf waters. In its permit to drill the well, BP estimated the worst-case flow at . Immediately after the explosion the USCG did not estimate any oil leaking from the sunken rig or from the well. On 24 April, USCG Rear Admiral Mary Landry announced that a damaged wellhead was indeed leaking. She stated that "the leak was a new discovery but could have begun when the offshore platform sank . . . two days after the initial explosion." Initial estimates by USCG and BP officials, based on remotely operated vehicles as well as