This picture released by the Egyptian Ministry of Information shows Hosni Mubarak (centre) talking to German doctors at the University of Heidelberg hospital (AFP/HO)
Markus Buchler, who heads the medical team that performed the surgery, told reporters the president "was upbeat and in very good spirits as usual."
"I am happy to say that his medical and general condition is improving in a satisfactory manner," he said.
But there was no indication when Mubarak, who delegated authority to Prime Minister Ahmed Nazif temporarily, would leave hospital.
Despite the almost daily upbeat statements on the president's convalescence, anxiety over his health led to a drop on the Egyptian stock exchange. The index fell 2.4 percent on Sunday and 3.8 percent on Monday before clawing back some of the losses on Tuesday with a 1.5 percent gain.
Eissa Fathi, the manager of Strategic Company for Securities, attributed the rise to news that the president was expected to make an appearance on Egyptian television.
"This trend is expected to continue, especially because the drop that happened (on Sunday and Monday) was random," he told AFP.
Analysts say the president's health, usually a closely guarded secret that has led to journalists being punished for questioning it, has intensified talk over his eventual succession.
"We face many questions. What would happen if harm befell the president, or whether he could carry out his role until the end of his fifth term," said Imad Gad, an analyst with the Ahram Centre for Political and Strategic Studies.
Mubarak, president since 1981, has no vice president. He has not indicated whether he will run for president again next year, only telling a party member at a convention: "God Willing."
The expression could have been meant as either a yes or a polite evasion. His son Gamal has not commented on widespread speculation that he would succeed his father.
"There is widespread anxiety in Egypt and the drop in the stock exchange indicated that. There is lack of certainty on how power will be transferred and talk on the post-Mubarak period has started," Gad said.
Like many analysts, Gad does not believe the 46-year-old Gamal, a former investment banker who now holds an influential policy making post in his father's National Democratic Party, has much chance of becoming next president.
"I doubt the Gamal Mubarak scenario. The security and military apparatuses know there is discontent towards inheritance of power, especially with increased talk of the prodigality of those around him and suspicions of corruption by those around him," Gad said.
He said he doubted the transfer of the post of commander-in-chief to an unpopular man who, unlike all the country's presidents until now, does not have a military background.
Gad said a more likely scenario would be the military and the country's powerful security services agreeing on a candidate, who would run as an independent, which would require support from 250 parliamentarians.
Amr Shobaki, another analyst with the Ahram centre, said Mubarak was not likely to run for another term because of his age and health.
The most probable outcome, he said, "was an alternative from a government apparatus that the military and security agree on."
Several people have been talked about as successors, including the powerful head of intelligence, Omar Suleiman.
Another possible candidate, Mohammed ElBaradei, the former chief UN nuclear watchdog, has popular support and leadership capabilities, Shobaki said.
But he is not supported by government agencies and at any rate has conditioned running on constitutional reforms that Mubarak has dismissed.
Still, his arrival on the Egyptian political scene has diminished Gamal's chances, said Mustapha Kamel, an American University of Cairo political science professor.
"The entry of a person such as ElBaradei in the circle of those concerned with presidential nomination has made it difficult to think of Gamal Mubarak, because there is no comparison in terms of experience and national weight," he said.
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"I am happy to say that his medical and general condition is improving in a satisfactory manner," he said.
But there was no indication when Mubarak, who delegated authority to Prime Minister Ahmed Nazif temporarily, would leave hospital.
Despite the almost daily upbeat statements on the president's convalescence, anxiety over his health led to a drop on the Egyptian stock exchange. The index fell 2.4 percent on Sunday and 3.8 percent on Monday before clawing back some of the losses on Tuesday with a 1.5 percent gain.
Eissa Fathi, the manager of Strategic Company for Securities, attributed the rise to news that the president was expected to make an appearance on Egyptian television.
"This trend is expected to continue, especially because the drop that happened (on Sunday and Monday) was random," he told AFP.
Analysts say the president's health, usually a closely guarded secret that has led to journalists being punished for questioning it, has intensified talk over his eventual succession.
"We face many questions. What would happen if harm befell the president, or whether he could carry out his role until the end of his fifth term," said Imad Gad, an analyst with the Ahram Centre for Political and Strategic Studies.
Mubarak, president since 1981, has no vice president. He has not indicated whether he will run for president again next year, only telling a party member at a convention: "God Willing."
The expression could have been meant as either a yes or a polite evasion. His son Gamal has not commented on widespread speculation that he would succeed his father.
"There is widespread anxiety in Egypt and the drop in the stock exchange indicated that. There is lack of certainty on how power will be transferred and talk on the post-Mubarak period has started," Gad said.
Like many analysts, Gad does not believe the 46-year-old Gamal, a former investment banker who now holds an influential policy making post in his father's National Democratic Party, has much chance of becoming next president.
"I doubt the Gamal Mubarak scenario. The security and military apparatuses know there is discontent towards inheritance of power, especially with increased talk of the prodigality of those around him and suspicions of corruption by those around him," Gad said.
He said he doubted the transfer of the post of commander-in-chief to an unpopular man who, unlike all the country's presidents until now, does not have a military background.
Gad said a more likely scenario would be the military and the country's powerful security services agreeing on a candidate, who would run as an independent, which would require support from 250 parliamentarians.
Amr Shobaki, another analyst with the Ahram centre, said Mubarak was not likely to run for another term because of his age and health.
The most probable outcome, he said, "was an alternative from a government apparatus that the military and security agree on."
Several people have been talked about as successors, including the powerful head of intelligence, Omar Suleiman.
Another possible candidate, Mohammed ElBaradei, the former chief UN nuclear watchdog, has popular support and leadership capabilities, Shobaki said.
But he is not supported by government agencies and at any rate has conditioned running on constitutional reforms that Mubarak has dismissed.
Still, his arrival on the Egyptian political scene has diminished Gamal's chances, said Mustapha Kamel, an American University of Cairo political science professor.
"The entry of a person such as ElBaradei in the circle of those concerned with presidential nomination has made it difficult to think of Gamal Mubarak, because there is no comparison in terms of experience and national weight," he said.
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