Alibaba closes up 38% on first day of trading By: CNBC.com News September 19, 2014 at 16:04 PM EDT More than 127 million shares were traded within the first 15 minutes of Alibaba's market debut, launching a whirlwind day for the Chinese firm. Read More >> Related Stocks: Alibaba Group Holding Ltd Coca-Cola Company Wal-Mart Stores, Inc. Walt Disney