Whole Foods Market ( WFM) ($87.36) beat EPS by a penny on Feb. 13 but shares slumped on a weak sales outlook from $96.90 on Feb. 13 to $86.93 on Feb. 19. The stock has a buy rating and a negative weekly chart profile and the five-week MMA at $91.16. My weekly pivot is $91.56 with a monthly risky level at $100.96. Weight Watchers ( WTW) ($45.33) beat EPS estimates by cents a share on Feb. 13 but the stock plunged on downbeat guidance. The stock fell from $54.11 on Feb. 13 to $43.60 on Feb. 14, has a hold rating and a negative weekly chart profile with the five-week MMA at $51.47 and the 200-week SMA at $46.92. Annual pivots are $48.47 and $48.66. At the time of publication the author held no positions in any of the stocks mentioned.Follow @SuttmeierThis article is commentary by an independent contributor, separate from TheStreet's regular news coverage.