China Xiangtai Food Co., Ltd. Announces Nasdaq Ticker Symbol Change from “PLIN” to “BTOG” Ticker symbol change effective at the market open on February 15, 2022 CHONGQING, China, Feb. 15, 2022 (GLOBE NEWSWIRE) -- China Xiangtai Food Co., Ltd. (NASDAQ: PLIN) ("China Xiangtai " or the...