Companies whose shares are expected to trade actively in today’s session are Herbalife Ltd. (NYSE:HLF), Aeropostale, Inc. (NYSE:ARO), Nokia Corporation (NYSE:NOK) (BIT:NOK1V) (HEL:NOK1V), Tiffany & Co. (NYSE:TIF), PriceSmart, Inc. (NASDAQ:PSMT) and Chuy’s Holdings Inc (NASDAQ:CHUY).

stocks to watch

Herbalife Ltd. (NYSE:HLF): Shares were up 2 percent to $40.74 in early trading on Thursday. The company is holding an investors and analysts meeting today to address concerns about its business model. Earlier, the hedge fund manager, Bill Ackman, claimed that the nutritional supplement company is a pyramid scheme and said it will collapse very soon. However, Dan Loeb and activist investor Carl Icahn are long on Herbalife.

Aeropostale, Inc. (NYSE:ARO): The teen retailer’s benefited from same store sales during the Holiday season, including e-commerce, its stock was down 8 percent from the last year. The company also lowered its earnings forecasts for the fourth quarter due to lower than expected sales and margins. Shares plunged 9.12 percent to $12.14 in early market trading.

Nokia Corporation (NYSE:NOK) (BIT:NOK1V) (HEL:NOK1V): The sales of Lumia lineup of smartphones is much stronger than analysts’s expectations, that resulted in a better than expected fourth quarter earnings. The company shipped 4.4 million Lumia smartphones during the fourth quarter, bringing the total smartphone sales to 6.6 million units. Shares surged 16.27 percent to $4.36.

Tiffany & Co. (NYSE:TIF): The jewelry and specialty retailer said that its Holiday sales were below estimates, so the company has lowered its full year earnings guidance. Shares were down 6.23 percent to $59.32.

PriceSmart, Inc. (NASDAQ:PSMT): The company reported a 43 percent rise in the first quarter earnings as its warehouse club sales continue to rise. Shares of the discount club store operator were up 2 percent to $79.12 in early market trading.

Chuy’s Holdings Inc (NASDAQ:CHUY): The restaurant operator has increased its full-year earnings guidance for 2013, due to stronger same-store sales. The company said it will also get a boost from the new restaurant openings. Shares surged 6.80 percent to $24.50.