(Telecompaper) Alibaba Group said its strong fourth-quarter results were boosted by increasing user monetization, particularly on mobile devices, and the continued rapid growth of its China commerce retail business. Revenues rose 32 percent year-on-year to CNY 34.54 billion (USD 5.33 billion). The adjusted EBITDA was up 27 percent to CNY 19.11 billion. Net profit more than doubled to CNY 12.49 billion from 5.98 billion a year ago.