Results of Piper Jaffray’s 22nd semi-annual “Taking Stock with Teens” survey indicate improving spending at the upper-income level and continued weakness for average-income teens. Also, the survey results reflect a preference by teens for value-priced merchandise at all levels of household income, but not necessarily the lowest cost, as teens report a willingness to spend on higher-priced, differentiated merchandise. Beauty spending among upper-income teens increased six percent year-over-y...