Why Roku Stock Jumped 21% in June

Shares of Roku (ROKU -0.29%) were moving higher last month after the streaming distribution leader announced a new integration with Amazon Ads, and its Roku-branded TVs took market share in May, according to third-party research.According to data from S&P Global Market Intelligence, the stock finished the month up 21%, as it also benefited from a broader upswing in risk-on tech stocks toward the end of the month.As you can see from the chart, the stock moved higher primarily in two stages. Roku is executing ...