FBR: National Oilwell Varco Should Buy Weatherford By: Benzinga via Benzinga December 14, 2015 at 10:05 AM EST National-Oilwell Varco, Inc. (NYSE: NOV) shares have declined 49.2 percent year-to-date, trading close to their 52-week low at $33.28 on ... Read More >> Related Stocks: Fibria Celulose S.A. Natl Oilwell Varco Weatherford International Ltd