Actionable news
All posts from Actionable news
Actionable news in ESRX: Express Scripts Holding Company,

Express Scripts’ stock rocked by tweets from short seller Andrew Left

Andrew Left, owner and founder of Citron Research, in Los Angeles on Oct. 22, 2015. Bloomberg/Patrick T. Fallon

Shares of Express Scripts Holding Co. took a sharp dive in afternoon trade Thursday, after a noted short seller took aim at the pharmacy benefit manager in a series of tweets.

The stock ESRX, -6.72% was trading down about 2.6% at around 1 p.m. ET, then accelerated to a loss of as much as 10% before paring some losses. Volume spiked to 13.2 million shares in recent trade, or about triple the full-day average.

Andrew Left’s Citron Research tweeted that Express Scripts “is (the) Philidor of the...