LONDON - British online fashion retailer ASOS does not expect demand to pick up in its home market any time soon as its young clientele, suffering in the economic downturn, has reined in spending on discretionary items.Photo: AsosShares in the firm, which targets 16 to 34-year-old women looking to emulate the designer looks of celebrities such as Alexa Chung, Tulisa Contostavlos and Kate Moss, fel