The sustainability of the stock's immediate price movement based on the recently-released numbers and future earnings expectations will mostly depend on management's commentary on the earnings call. Penumbra shares have added about 16.7% since the beginning of the year versus the S&P 500's decline of -10.1%. What's Next for Penumbra? While Penumbra has outperformed the market so far this year, the question that comes to investors' minds is: what's next for the stock? Penumbra (PEN) came out with quarterly e ...