On Thursday, poker machine maker Aristocrat Leisure (ASX: ALL) announced its full-year net profit after tax and amortisation is expected to increase to $366 million, after guiding to a first-half net profit after tax and amortisation of $183 million. The company said the forecast was well ahead of market expectations and was an increase of about 66% on the previous corresponding period. Shares in Aristocrat closed up 22% for the week. We own Aristocrat shares in the investment portfolio.