NEW YORK ( TheStreet) -- Shares of Dynavax Technologies Corporation (Nasdaq: DVAX) were gapping down Wednesday morning with an open price 18.5% lower than Tuesday's closing price. The stock closed at $5.09 Tuesday and opened today's trading at $4.15. The average volume for Dynavax has been 1.6 million shares per day over the past 30 days. Dynavax has a market cap of $750.5 million and is part of the health care sector and drugs industry. Shares are up 53.3% year to date as of the close of trading on Tuesday. Dynavax Technologies Corporation, a clinical-stage biopharmaceutical company, discovers and develops novel products to prevent and treat infectious diseases. TheStreet Ratings rates Dynavax as a sell. The area that we feel has been the company's primary weakness has been its disappointing return on equity. You can view the full Dynavax Ratings Report. Get more investment ideas from our investment research center.
Get the Investing Edge.
Join Jim Cramer's Members-Only Investing Club
Become an Action Alerts PLUS member to learn from the pros how to invest wisely
and build a customized portolio of blue chip stocks.
Uncover New Investment Opportunities With Our Team of Experts
Jim Cramer and his army of Wall Street pros serve up new trading ideas and in-depth market analysis every day.
More from Markets

Good Buying Produces Good Results but Good Selling Produces Great Results
The sell decision is highly dependent on time frame, style and other subjective considerations.

Warren Buffett Letter: Berkshire Earns $4 billion Under New Accounting Rule
Berkshire Hathaway Earns $4 billion in 2018 using accounting rules warned of in 2017; gets hit by Kraft Heinz loss.

Why Zeta Global's CEO Doesn't Think 'True AI' Has Been Invented Yet
Here's why we don't yet have true AI, according to Zeta Global's CEO.

Fed Considers Letting Inflation Run Hot, Vice Chair Clarida Says
Federal Reserve Vice Chairman Richard Clarida tells a monetary-policy conference in New York that the central bank is considering whether to let inflation run above its 2% target to compensate for past periods of muted price increases.

How Big Are Amazon's Shipping Ambitions? Layoffs at XPO May Reveal Clues
Amazon is taking an increasingly aggressive stance in logistics and transportation, as recent reports from delivery giant XPO suggest. But Amazon's ambitions also carry some risks.