Institutional Investor magazine gave this firm one of only eight "A" grades that it handed out.
Here's what Pershing Square's Bill Ackman thinks about a slew of companies.
Billionaire investor William Ackman's fund surged 3.8 percent in January, handily beating the stock market's decline and taking some of the sting away from last year, when losing trades involving J.C. Penney and Herbalife dragged on his fund's performance.
Stocks were battered Monday after factory data cast a negative light on the economy.
Some of Monday's midday movers:
Bill Ackman is calling out some individuals who distribute for Herbalife. CNBC's Herb Greenberg says these distributors are "known entities."
The "Squawk on the Street" news team dissect Herbalife's buyback and plans to raise $1 billion via a convertible note issue.
Companies in the news before Monday's bell.
Happy Monday, unless of course you're Peyton Manning, quarterback of the losing team in the Worst Super Bowl Ever.
Nutrition and weight loss company Herbalife estimated fourth-quarter profit above analysts' expectations and announced a $1 billion debt offering.
Analyst Tim Ramey is leaving D.A. Davidson, reports CNBC's Scott Wapner. CNBC's Herb Greenberg, weighs in.
Saturday marks one year since Carl Icahn and Bill Ackman brawled on "Fast Money Halftime Report" over Herbalife. The FMHR traders discuss news Sen. Ed Markey (D-MA) is launching an investigation into Herbalife.
Herbalife says it looks forward to addressing Sen. Ed Markey's concerns about the company.
Thursday's midday movers:
CNBC's Scott Wapner reports Herbalife has responded to Senator Ed Markey's concerns over their business practices.
CNBC's David Faber reports Massachusetts Senator Ed Markey calls for an investigation into Herbalife.
Sen. Markey wants more information about the business practices of Herbalife, which has been accused of running a pyramid scheme by Bill Ackman.
Some of the names on the move ahead of the open.
Who's behind the $32 million bet against Herbalife?
Nu Skin shares plunged on concerns over an investigation by Chinese authorities' into its business practices in the country.