Analyst initiations: WAG, CCI, GNA, TER, ISCA and BC

MOST NOTEWORTHY: Walgreen, Crown Castle and Brunswick were today's noteworthy initiations:

Thomas Weisel started shares of Walgreen (NYSE: WAG) with an Overweight rating and $43 target. The firm is positive on WAG's steady cash flow and solid growth profile.
Merriman believes Crown Castle (NYSE: CCI) is a core wireless holding given its high-margin, predictable recurring revenue model. They believe shares can trade to the $49-$51 range assuming management continues to execute on its free cash flow growth target. Shares were assumed with a Buy rating.
KeyBanc initiated Brunswick (NYSE: BC) with a Hold rating and expects the recreational marine market to be challenging given weakening consumer spending trends.

OTHER INITIATIONS:

Citigroup initiated Gerdau AmeriSteel (NYSE: GNA) with a Buy rating and $21 target.
Piper assumed Teradyne (NYSE: TER) with a Neutral rating and $14 target.
International Speedway (NASDAQ: ISCA) was initiated at Stephens with an Overweight rating and $50 target.