Canaccord Genuity analyst Aravinda Galappatthige said in a research note Tuesday that Shaw Communications Inc.’s Wind faces “volatility and uncertainty over the short run,” though it also has a “genuine and sizable long-term opportunity.” However, in notes issued ahead of telecoms’ quarterly reports, which will be released later this month, both Galappatthige and analyst Drew McReynolds of RBC Capital Markets said any impact on industry competition from Wind won’t be visible until next year. Galappatthige said “there is a high probability that Wind goes through a good degree of turbulence before it reaches...