China’s yoga apparel market is grappling with fierce competition and slowing growth amid sluggish domestic consumption, as middle-class shoppers diversify their activities, according to analysts.Lululemon, the Canadian athletic apparel brand popular among China’s middle class, continues to face sales pressure in the world’s second-largest consumer market.Lululemon’s same-store sales growth at sampled Chinese shopping malls dropped 4 per cent year on year in May, compared with a 3 per cent...