Companies whose shares are expected to trade actively in today’s session are USA Mobility Inc (NASDAQ:USMO), Lululemon Athletica inc. (NASDAQ:LULU), Affymax, Inc. (NASDAQ:AFFY), Electronic Arts Inc. (NASDAQ:EA), Crestwood Midstream Partners LP (NYSE:CMLP) and Hospitality Properties Trust (NYSE:HPT).

stocks to watch

USA Mobility Inc (NASDAQ:USMO): The wireless communications company has delayed the announcement of its fourth quarter and full-year earnings reports due to material weakness in its process to recognize software sales. Shares tanked 5 percent to $12.12 in early market trading.

Lululemon Athletica inc. (NASDAQ:LULU): The Canadian apparel retailer said the company is witnessing a shortage of black Luon yoga pants, that may negatively affect its same-store sales in the first quarter. Shares plunged 4.57 percent to $62.89 in the early session.

Affymax, Inc. (NASDAQ:AFFY): The bio-therapeutics company announced Monday that it will lay off 75 percent of its employees. The company board is also considering the option to sell itself as most of its resources are focused towards investigation of its popular anti-anaemia drug. Affymax shares tanked 57.88 percent to $1.23 in the early trading session.

Electronic Arts Inc. (NASDAQ:EA): The video game maker’s chief executive officer John Riccitiello announced his resignation. The company also said that its fourth quarter earnings could fall short of expectations. However, investors are more concerned about the CEO’s departure than downbeat guidance. Shareholders have blamed John Riccitiello for most of the company’s troubles. Shares rose 1.07 percent to $18.91 in early trading.

Crestwood Midstream Partners LP (NYSE:CMLP): The natural gas company announced that it will offer 4.5 million limited-partnership units. Proceeds from the offering will go towards paying off debts. Crestwood has about 41.2 million outstanding units. Shares slipped 4.75 percent to $23.67 in early market trading.

Hospitality Properties Trust (NYSE:HPT): The real estate investment trust is offering 10 million shares. Proceeds from the sale will be used for general corporate purposes and to repay debts. The company has 123.5 million outstanding shares. Shares declined 6.55 percent to $25.40 in the early session.