Sears Holdings (SHLD) gives an update to its Q4 and FY12 earnings guidance, saying it sees Q4 EPS coming in at around $1.25 - $2.00, beating consensus estimates of $0.86, on an adjusted EBITDA of $265M - $465M. FY12 EPS is expected to come in at a loss of between $1.16 and $1.92, beating consensus estimates for a loss of $2.66. Separately, the company annnounces that CEO Louis D'Ambrosio will step down due to family health matters at the end of the company's fiscal year on February 2, 2013. Edward Lampert will assume the role of CEO, in addition to his role as chairman.