Companies whose shares are expected to trade actively in today’s session are Marvell Technology Group Ltd. (NASDAQ:MRVL) (FRA:MVL), BCD Semiconductor Manufacturing Ltd (NASDAQ:BCDS), Emerson Radio Corp (NYSEAMEX:MSN), Smith & Wesson Holding Corporation (NASDAQ:SWHC), TeleCommunication Systems, Inc. (NASDAQ:TSYS) and Toyota Motor Corporation (NYSE:TM).

stocks to watch

Marvell Technology Group Ltd. (NASDAQ:MRVL) (FRA:MVL): The chip maker’s shares were continuously sliding late Wednesday, and are expected to plunge further today. A Pittsburgh  federal jury has asked Marvell Technology Group Ltd. (NASDAQ:MRVL) (FRA:MVL) to pay $1.17 billion to Carnegie Mellon University in a patent infringement case. Marvell said it hasn’t yet determined the impact of the verdict on its fourth quarter financial performance. Shares were down 3.78 percent to $7.12 in early trading.

BCD Semiconductor Manufacturing Ltd (NASDAQ:BCDS) Shares of the Shanghai-based chip maker jumped 94.72 percent to $7.75 after Diodes Incorporated (NASDAQ:DIOD) agreed to acquire it for $151 million. Diodes wants to expands its business in China and broaden its analog-product portfolio. Diodes Inc. will pay $8 per U.S. share of BCD, almost double of its closing price of $3.98.

Emerson Radio Corp (NYSEAMEX:MSN): Emerson announced Wednesday that it has extended its licensing agreement with Funai Corp. till March 31, 2015. Shares plunged 4.15 percent after the announcement to close at $1.71.

Smith & Wesson Holding Corporation (NASDAQ:SWHC): The gun maker said that its board has approved another share purchase of $15 million, after spending $20 million on stock buybacks three weeks ago. Smith & Wesson Holding Corporation (NASDAQ:SWHC) has a market capitalization of $525 million. Shares were up 2.51 percent to $8.16 in early trading.

TeleCommunication Systems, Inc. (NASDAQ:TSYS): The software firm said Wednesday that it sold two patents to a South Korean company, IP Cube Partners Co., for an undisclosed amount. Shares gained 2.69 percent to $2.68 in early market trading.

Toyota Motor Corporation (NYSE:TM): The Japanese automaker has settled a class-action lawsuit. Toyota Motor Corporation (NYSE:TM) agreed to pay $1.1 billion to set new security equipment in 16 million cars that were recalled in 2009-10, after complaints of a malfunction that caused cars to accelerate unintentionally. Toyota shares rose 1.80 percent to $91.99.