Tesaro Inc (TSRO)

190.36
NASDAQ : Health Care
Prev Close 182.56
Day Low/High 181.01 / 192.43
52 Wk Low/High 35.50 / 192.43
Avg Volume 869.90K
Exchange NASDAQ
Shares Outstanding 53.41M
Market Cap 9.75B
EPS -6.40
P/E Ratio N/A
Div & Yield N.A. (N.A)

Latest News

Biotech Buoyed by Deal Talk

Biotech Buoyed by Deal Talk

M&A activity is in a serious upswing, and here are some names to watch.

Morgan Stanley, Twitter, Tesaro: Doug Kass' Views

Morgan Stanley, Twitter, Tesaro: Doug Kass' Views

Doug Kass shares his thoughts on boosts to financials, and discusses what M&A speculation is doing to biotechs.

Analysts' Actions -- Ford, Intel, Twitter, Viacom and More

Analysts' Actions -- Ford, Intel, Twitter, Viacom and More

Here are Friday's top research calls, including an upgrade for Ford and downgrades for Intel, Twitter and Viacom.

Notable Wednesday Option Activity: TSRO, PRLB, SPSC

Notable Wednesday Option Activity: TSRO, PRLB, SPSC

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in Tesaro Inc , where a total volume of 6,484 contracts has been traded thus far today, a contract volume which is representative of approximately 648,400 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 64% of TSRO's average daily trading volume over the past month, of 1.0 million shares.

Biotech Tesaro Climbs on Takeout Reports

Biotech Tesaro Climbs on Takeout Reports

The company's shares were up 14% on rumors that it is working with investment banks to consider a sale.

These 3 Biotech Stocks Are Already Moving Wildly on Thursday

These 3 Biotech Stocks Are Already Moving Wildly on Thursday

Here are some names that have caught our eye.

3 Biotechs Screaming 'Takeover Target'

3 Biotechs Screaming 'Takeover Target'

M&A activity should perk up substantially in the small and mid-cap space this year.

17 Thoughts on Biotech Stocks to Kick Off 2017

17 Thoughts on Biotech Stocks to Kick Off 2017

Adam Feuerstein compiles a list of questions, thoughts, declarations, catalysts and observations about biotech stocks to help investors prepare for the year ahead.

Analysts' Actions -- Goldman Sachs, Celanese, SBA Communications and More

Analysts' Actions -- Goldman Sachs, Celanese, SBA Communications and More

Here are Wednesday's top research calls, including upgrades for Goldman Sachs, Celanese and SBA Communications.

Ratings Changes Today

TheStreet Quant Ratings provides fair and objective information to help you make educated investing decisions. We rate over 4,300 stocks daily and provide 5-page PDF reports for each stock. These ratings can change daily and today's changes are reflected in the email below. If you are looking to check-up on the stocks you currently own or are looking for new ideas, you can find our full database of password-protected ratings reports in our proprietary ratings screener: http://www.thestreet.com/k/qr/flat/stock-screener.html Upgrades: ARCB, BCO, BOJA, CAR, CSS, DIOD, GPX, HMTA, LPL, SENEA, SVA, TGD Downgrades: EFUT, NUS, PBFX, PESI, SRDX Initiations: CXRX, IOTS, TSRO Read on to get TheStreet Quant Ratings' detailed report:

Hey Gilead, Stop Developing Drugs and Start Buying Biotech Companies -- Now!

Hey Gilead, Stop Developing Drugs and Start Buying Biotech Companies -- Now!

For as much as we love and respect you, Gilead, the current situation is unacceptable. The once great and mighty biotech Gilead cannot trade at a 6x forward earnings multiple!

AstraZeneca Is Now a Competitive Threat to Tesaro in Ovarian Cancer Maintenance Therapy

AstraZeneca Is Now a Competitive Threat to Tesaro in Ovarian Cancer Maintenance Therapy

AstraZeneca's Lynparza significantly delayed the recurrence of tumors in patients with ovarian cancer compared to a placebo, according to results from a phase III study announced by the company Wednesday.

Closing Bell: Stocks Lifted by Oil Prices; Facebook Launches Work-Friendly Social Network

Closing Bell: Stocks Lifted by Oil Prices; Facebook Launches Work-Friendly Social Network

U.S. stocks closed higher Monday as oil prices gained steam and Wall Street looked ahead to the start of earnings season.

Stocks Buoyed by Higher Oil Prices; Investors Await Third-Quarter Earnings

Stocks Buoyed by Higher Oil Prices; Investors Await Third-Quarter Earnings

U.S. stocks are higher Monday thanks to a rally in crude oil.