4. Interphase ( INPH) Company Profile: Interphase is a telecom-equipment maker. The company provides services for LTE and WiMAX, interworking gateways, packet processing, network connectivity, and security for key applications for the communications and enterprise markets. Interphase shares more than doubled on Feb. 11, a day after the company reported fourth-quarter financial results. The company said revenue in the quarter jumped 24% to $5.8 million as it swung to a quarterly profit. The stock hit a high of $7.59 in March but has been steadily pulling back since. Current Share Price: $4.60 (Aug. 30) 2011 Total Return: 155% Analyst Ratings: There are no research firms covering Interphase currently. TheStreet Ratings has a "sell" rating on the stock, which it has maintained since downgrading the stock from "hold" in July 2009. The latest report says Interphase's primary weakness is "feeble growth in its earnings per share."