Gobenewswire: Ambarella announces its quarterly results. Revenue for the quarter was $46.0M, up 29% from $35.7M a year ago. For the nine months ended October 31, 2013, revenue was $117.6M, up 31% from $89.5M for the nine months ended October 31, 2012. GAAP gross margin was 63.7%, compared with 64.5% for the same period a year ago. Cash and cash equivalents at the end of the quarter were $128.1M.