And then more than a decade later, Rasmussen took heavy losses when a drop in natural gas prices crushed the value of his retirement plan holdings in Chesapeake Energy Corp, whose retirement plan held 46% of its assets in company stock at the end of 2013. "My 401(k) was cut in half," Rasmussen, 68, recalled in a telephone interview. "We can pay our bills, but we're restricted a little bit on things we wanted to do and planned on doing." (Writing by Richard Valdmanis; Editing by Anna Driver)