New Street downgraded Crown Castle (CCI) to Sell from Neutral with a $113 price target and said it is no longer recommending owning any of the towers owners' stocks. New Street also downgrade SBA Communications (SBAC) to Neutral from Buy this morning and keeps a Neutral rating on American Tower (AMT).

Scotiabank lowered the firm's price target on Crown Castle to $118 from $133 and keeps a Sector Perform rating on the shares. The company's Q1 results were in line with expectations, the analyst tells investors. While the company's results were supported by growth coming from existing MLAs, the spending environment in the U.S. by operators on new capacity build is still slow, the firm adds. The outcome of the company's strategic review could crystallize additional value, but the firm is unsure the fiber business could be sold at attractive enough multiples above current stock trading multiples.

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Pre-earnings options volume in Crown Castle is 2.7x normal with calls leading puts 8:5. Implied volatility suggests the market is anticipating a move near 3.8%, or $3.60, after results are released. Median move over the past eight quarters is 4.0%.

Barclays analyst Brendan Lynch lowered the firm's price target on SBA Communications to $255 from $260 and keeps an Overweight rating on the shares as part of a Q1 earnings preview for the communications infrastructure group.