What is the fine-grained topic of the following text: Sant’Antonino, Switzerland, 10 July 2018 - Materials handling specialist Interroll expects strong organic sales growth of around 18 percent for the first half of 2018 along with a disproportionately high increase in operating profit (EBIT) of at least 20 percent. Only return the topic.
Interroll's strong financial performance in the first half of 2018.