n.a. (PTP)

The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of...

The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of...

Juan E. Monteverde, a partner at Faruqi & Faruqi, LLP, a leading national securities firm headquartered in New York City, is investigating the Board of Directors of Platinum Underwriters Holdings Ltd.

Robert Pavlik of Banyan Partners said the market has more upside potential given some positive economic news and earnings reportsThe stock markets in the United States gained today amid the growing co...

Investors continue to celebrate stimulus measures announced by China's central bank and the European Central Bank late last week.

Stocks flirt with intraday record highs and maintain recent buoyancy as global optimism combines with seasonal cheer.

Stocks climb as celebrations over stimulus measures out of China and Europe continue to boost markets.

Bermuda-based insurers combine in cash and stock deal.

Levi & Korsinsky is investigating the Board of Directors of Platinum Underwriters Holdings, Ltd.

PTP CXP BLL are going ex-dividend tomorrow, Thursday, August 28, 2014

Trade-Ideas LLC identified Platinum Underwriters Holdings (PTP) as a new lifetime high candidate

PTP GPI ATK are going ex-dividend tomorrow, Thursday, May 29, 2014, 4:00 AM ET

A.M.

Stocks with insider trader activity include SPB, PTP and RPM

Trade-Ideas LLC identified Platinum Underwriters Holdings (PTP) as a new lifetime high candidate

Often when above-average volume moves into an equity, it precedes a large spike in volatility.

In trading on Thursday, shares of Platinum Underwriters Holdings, Ltd. crossed below their 200 day moving average of $59.26, changing hands as low as $59.09 per share.

In trading on Friday, shares of Platinum Underwriters Holdings, Ltd. crossed above their 200 day moving average of $59.09, changing hands as high as $59.15 per share.

In trading on Thursday, shares of Platinum Underwriters Holdings, Ltd. crossed below their last reported book value — defined as common shareholder equity per share — of $60.87, changing hands as low as $59.52 per share.

Upgrades: BITA, GAIN, KEP, LPLA, MKL, PTP Downgrades: APSA, ASTE, CXO, DAN, HLX, NTGR, OAK Initiations: None Read on to get TheStreet Quant Ratings' detailed report:

A study of analyst recommendations at the major brokerages shows that Platinum Underwriters Holdings, Ltd. is the #129 broker analyst pick among those stocks screened by The Online Investor for strong stock buyback activity.

Game the event, not the pregame.

Platinum Underwriters Holdings (NYSE:PTP) has been downgraded by TheStreet Ratings from from a buy to hold.

Upgrades: ARTX, FCVA, GCAP, H, HMIN, NFEC, TCI, VGR, WTT Downgrades: AEIS, BKMU, CUZ, ERS, HZO, IPCC, KKR, LPLA, PKE, PTP, REED, SPAR Initiations: GMED, SVLC Read on to get TheStreet Quant Ratings' detailed report:

PTP CRI AEM MTB LMT are going ex-dividend tomorrow, Aug. 29, 2013

The most recent short interest data has been released by the NASDAQ for the 07/31/2013 settlement date, which shows a 317,356 share decrease in total short interest for Platinum Underwriters Holdings, Ltd. , to 641,029, a decrease of 33.11% since 07/15/2013.

PTP HSH QEP K LYB are going ex-dividend tomorrow, May 30, 2013

Investors in Platinum Underwriters Holdings, Ltd. saw new options begin trading today, for the January 2014 expiration.