Program aims to educate young consumers about mined stones’ positive qualities.
May revenue up 0.3% from April, according to Census Bureau.
April revenue up 0.4% from March and 1.6% year on year.
Growth will be slower amid inflation, rising unemployment and banking turmoil.
Revenue down 0.4% in February, according to US Census Bureau data.
Category will be the biggest by value, ahead of flowers and candy.
Revenue rose 5% year on year, below National Retail Federation’s forecast.
Promotions enticed shoppers in October, says NRF.
Figure flat month on month compared to 0.4% increase in August.