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Arena Pharma Denied Request Added Market Exclusivity for Weight-Loss Drug

05/02/14 - 10:58 AM EDT

Citizen Petition filed by Arena's partner Easai is denied by FDA.


Biotech Sector Performance in April: Gilead Sciences Rising

05/02/14 - 09:49 AM EDT

The biotech sector was down again, but there's some hopeful signs of a recovery.


Endocyte Falls on Ovarian Cancer Drug Blowup

05/02/14 - 09:01 AM EDT

European regulators are likely to rescind the conditional approval of Endocyte's ovarian cancer drug Vynfinit following the failure of a phase III study.


Celgene Deal Chief Calls Big Pharma Gutless For Lack of Biotech M&A

04/29/14 - 04:26 PM EDT

Some sharp opinions expressed by healthcare deal-makers at the Allicense 2014 conference.


Dueling Analysts on Cytokinetics: ALS Drug is 'Finished' or a 'Ray of Sunshine'

04/29/14 - 11:24 AM EDT

Two sell-side analysts with very different views Tuesday on Cytokinetics and its experimental ALS drug tirasemtiv.


Biotech M&A is MIA

04/28/14 - 07:29 AM EDT

Healthcare M&A activity is booming but expensive, risky biotech stocks are left on the sidelines.


The Recent Performance of 'Baker Brother Biotech Stocks' is Awful

04/15/14 - 12:23 PM EDT

Healthcare's most closely followed hedge fund is losing money during the biotech bubble burst.


FDA Approves Novartis' ALK Inhibitor! Maybe...Really Soon?

04/11/14 - 03:07 PM EDT

Someone at Novartis screwed up today by sending out a mass email announcing the FDA approval of a new lung cancer drug ceritinib. Brand name: Zykadia. The only problem is FDA hasn't announced the approval of Zykadia yet.


Oh Biotech, You Are a Cruel Bitch

04/10/14 - 01:09 PM EDT

Wednesday's mini rally was a head fake, leading to more selling Thursday.


MannKind Rival, Also Developing Inhaled Insulin Device, Files $75M IPO

04/10/14 - 11:52 AM EDT

Dance Biopharma is developing a device which sends vaporized insulin liquid into a patient's lungs.


Adam Feuerstein is a senior columnist at TheStreet in charge of covering biotechnology and pharmaceutical stocks.

Feuerstein has been a financial journalist for more than 20 years. He joined TheStreet in 2001, leaving in 2005 for a two-year stint as a biotech analyst for a New York-based investment management firm. Feuerstein rejoined TheStreet in 2007. Prior to his work at TheStreet, Feuerstein wrote about Internet startups and business software for Covering the dot-com boom and bust of the 1990s and early 2000s made Feuerstein very cynical, a trait he applies to great effect by highlighting the often-overlooked risks of biotech stock investing. In what can only be considered a high compliment, a particularly promotional sell-side analyst once warned his clients that Feuerstein "attacks viciously".

Expand Bio +

Feuerstein lives near Boston with his wife, two kids and a yellow lab-golden retriever named Max. When Feuerstein is not writing article and blog posts for TheStreet, he's tweeting. In fact, when Feuerstein is working, he's tweeting. All the time. He also runs, bikes, watches a lot of English soccer matches (Go Spurs!) and loves to cook.

Close Bio -


DOW 17,083.80 -2.83 -0.02%
S&P 500 1,987.98 +0.97 0.05%
NASDAQ 4,472.1080 -1.5890 -0.04%

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