What is the fine-grained topic of the following text: A report by price comparison website Kelkoo for the Centre for Retail Research (CRR) states that online sales are set to peak at a staggering Â£22.4 million per hour on Monday 29th November, this yearâ€™s â€œManic Mondayâ€� as the report calls it. Only return the topic.
Online sales prediction for "Manic Monday" by Kelkoo and CRR.