Friday Sector Laggards: Rental, Leasing, & Royalty, Biotechnology Stocks

In trading on Friday, rental, leasing, & royalty shares were relative laggards, down on the day by about 1.7%.  Helping drag down the group were shares of Whiting USA Trust I (WHX), off about 22.4% and shares of Research Frontiers (REFR) off about 1.3% on the day.