Another hated health care name is RedMed ( RMD). The firm manufactures airflow generators and masks for sleep apnea patients, a business that's been growing briskly as diagnoses of sleep breathing disorders continue to increase. One major catalyst for that has been obesity: As worldwide obesity rates increase, instances of obesity-related disorders (such as sleep apnea) are increasing too. >>5 Stocks Insiders Love Right Now ResMed has made a big transition in recent years from playing catch-up with Philips Electronics' sleep apnea unit to innovating its way to a more front-and-center role in the industry. That's earned RMD an economic moat at this point, even if it's not a big one just yet. Short interest in RMD has been insane in the last month. At last count, it's gotten up to 30.37. In other words, it would take short sellers a month and a half to exit their positions at current volume levels. That makes RMD the biggest short squeeze candidate on this list... To see these short squeezes in action, check out this week's Short Squeezes portfolio on Stockpickr. -- Written by Jonas Elmerraji in Baltimore.