** Shares of Taco Bell parent Yum Brands YUM.N up 1.4% at $149.99 premarket

** YUM fell about 2.7% on Friday due to its use of iceberg lettuce from Mexico linked to an ongoing cyclosporiasis outbreak and subsequent traffic decline at outlets

** The market realizing that this is not a long-term problem, combined with news that the U.S. FDA's Taylor Foods test may have been a false positive, is helping the stock, says Ari Felhandler, analyst at Morningstar Equity Research

** Taco Bell said on Friday that it has completed removal of affected Taylor Farms lettuce from restaurants

** Stock up 25.3% YTD, as of last close