The maintenance of a Buy rating by Roth MKM suggests a positive outlook on Cambium Networks' stock, indicating confidence in the company's future performance. However, the reduction in the price target from $9.75 to $8.5 may reflect a cautious stance towards the company's valuation, possibly due to revised earnings expectations or market conditions. This adjustment is likely to have a neutral to slightly negative short-term impact on the stock price as it reflects a mix of continued endorsement of the company's prospects with a tempered valuation outlook.