Stocks to watch as November closes:Yext (YEXT) - despite beating FQ3 estimates and slightly boosting FY19 revenue targets the market has now pushed the stock down nearly 50% from the September highs. 30% growth is 30% growth regardless of whether Yext raised numbers. Buy the weakness with the stock below $15. Ambarella (AMBA) - on the flip side, Ambarella provided more downbeat guidance, but the stock is actually up nearly 20%. Use the strength to rotate into Yext next week. The company continues to promote computer vision technology that never shows up in the results. FQ4 guidance is for another big miss and a huge revenue dip of nearly 40%. Disclosure: No positions