Ambarella Inc (AMBA) is not a strong buy at the moment for a beginner investor with a long-term strategy. The stock is currently in a bearish trend, with declining technical indicators, mixed analyst ratings, and negative sentiment from recent news and insider trading. While the company has shown revenue growth, its net income and EPS have declined, and the recent legal issues with a major customer create additional uncertainty. Given the user's impatience and unwillingness to wait for optimal entry points, holding off on this investment is recommended until clearer positive catalysts emerge.
The stock is in a bearish trend with MACD negatively expanding, RSI at 20.16 (neutral zone), and moving averages indicating downward momentum (SMA_200 > SMA_20 > SMA_5). Key support level is at 56.767, and the stock is trading below this level at 55.11, suggesting further downside potential.

Revenue increased by 20.06% YoY in Q4 2026, showing growth in the company's top line. Hedge funds have significantly increased their buying activity, up 169.73% over the last quarter.
Insiders are selling heavily, with a 420.46% increase in selling activity over the last month. The company is facing legal issues with Insta360, its largest customer, which has negatively impacted its stock price. Recent news includes a securities fraud investigation and misleading investor alerts, further damaging sentiment.
In Q4 2026, revenue grew 20.06% YoY to $100.87M, but net income dropped 18.78% YoY to -$16.44M. EPS declined 20.83% YoY to -0.38, and gross margin decreased slightly to 59.16% (-1.35% YoY).
Analysts have mixed views. Stifel maintains a Buy rating with a reduced price target of $90 (from $100). BofA and Roth Capital have Neutral ratings, with price targets lowered to $72 and $65, respectively. Analysts cite slower sales growth compared to peers and legal issues as concerns, but acknowledge opportunities in edge AI and automotive markets.