MOST NOTEWORTHY: Callaway Golf Co (ELY) Petrohawk Energy Corp (HK), Lightbridge, Inc (LTBG) and Humana Inc (HUM) were initiated today:
- SunTrust Robinson Humphrey initiated Callaway Golf (NYSE: ELY) with a Buy rating and $20 target.
- Petrohawk Energy (NYSE: HK) was initiated at JP Morgan with a Neutral rating to reflect its improving operational profile. The firm does not, however, recommend investors play Petrohawk for its takeout potential.
- Credit Suisse started Humana Inc (NYSE: HUM) with an Outperform rating and $70 target and expects future growth to be driven by a combination of low, but accelerating, MA penetration rates and favorable demographic trends.
OTHER INITIATIONS:
- Credit Suisse initiated Anadigics, Inc (NASDAQ: ANAD) with an Outperform rating and $14 target, expecting revenue momentum to be driven by upside in WLAN & handsets, resulting in above consensus results in 2H07.
- Benchmark started iRobot Corp (NASDAQ: IRBT) with a Buy rating and $17 target, as the firm believes the company is a compelling investment given its market potential and undervalued stock.
Analyst summaries provided by TheFlyOnTheWall.com (subscription required). 
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