) are higher on the session by 2.18%, trading at $5.16. Overall put volume is now running at 124.00x the daily average, with 46% of all puts traded being purchases on the offer. 1,240 contracts have traded on the session so far. China Nepstar Chain Drugstore Ltd. is a retail drugstore chain in China. As of December 31, 2009, its store network was comprised of 2,479 directly operated drugstores. The company provides its customers with professional and convenient pharmacy services and a variety of other merchandise, including over-the-counter drugs, nutritional supplements, herbal products, personal care products, family care products, as well as convenience products including consumable, seasonal and promotional items.