Apple CEO Steve Jobs returned to work Monday, ending a controversial medical leave of absence. Apple said Jobs will work in Apple’s Cupertino, Calif., headquarters a few days each week and from home on the other days. Last October, Jobs, a survivor of pancreatic cancer, said his weight loss was the result of a hormone imbalance, and he went on medical leave in January. In April the Apple cofounder received a liver transplant at Methodist University Hospital Transplant Institute in Memphis, Tenn. Apple COO Tim Cook filled in for Jobs, who planned to return to work at the end of June. Apple’s stock was affected by Jobs’ health, but the company has continued to function, announcing the new iPhone 3GS and MacBook upgrades at Apple’s Worldwide Developers Conference earlier this month. Some investors have

questioned whether Apple’s board should have released more information on Jobs’ health. While the hormone imbalance was disclosed, Apple’s board did not disclose that Jobs was sick enough to need the liver transplant. Some observers think that may have violated federal securities laws. “If they tried to lessen the disclosure and make it misleading by omission, that’s just as bad as telling something that flat isn’t true,” Jeffrey C. Soza, a securities lawyer, told The Los Angeles Times. Other lawyers have said Jobs’ health is a private matter. Investor Warren Buffet appeared to agree with Soza, telling a CNBC-TV interviewer, “Certainly Steve Jobs is important to Apple. Whether he is facing serious surgery or not is a material fact.”

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Steve Jobs Returns To Part-Time Work as Apple’s CEO