Thursday's market movers

Genentech, Dow, Geron among the most actively traded stocks Thursday.


NEW YORK (CNNMoney.com) -- The following stocks were among the most actively traded on Thursday:

Genentech (down $2.38 to $80.31, Charts) reported results that beat forecasts.

Dow Chemical (up $1.10 to $46.19, Charts) said it had fired an executive and a board member who had spoken to a third party about a potential acquisition of the firm.

Geron (down $0.19 to $7.37, Charts) The Senate voted to remove a ban on federal funding for embryonic stem cell research but not by a wide enough margin to overcome an expected presidential veto.

Novastar Financial (up $0.36 to $5.39, Charts), a subprime lender, said it is exploring strategic alternatives, including a possible sale of the company.

Research in Motion (down $10.96 to $135.06, Charts), the BlackBerry maker, reported a sharply higher fourth-quarter profit Wednesday, but also revealed the Securities and Exchange Commission has upgraded its informal probe into its stock options practice into a formal investigation.

Sprint Nextel (up $0.52 to $19.70, Charts) surfaced in a Wall Street Journal report that said activist shareholder Ralph Whitworth has built a nearly 1 percent stake in the wireless telecom company and is using his position to call for changes, including a pullback in its capital spending and a potential sale of its fiber-optic networking and long-distance operation.

Vonage (up $0.31 to $3.31, Charts), the internet phone company, saw its CEO Michael Snyder step down amid setbacks related to Verizon's patent suit against the company.

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Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.