Life Time Fitness ( LTM) ($41.50) pre-announced weaker than expected preliminary quarterly results on Jan. 31 and the stock plunged from $50.99 to $39.10 on Feb. 1. LTM has a hold rating with a semiannual value level at $40.02, which held at the low, with a weekly risky level at $47.70. McGraw-Hill ( MHP) ($44.61) fell from a multi-year high at $58.62 on Feb. 1 to a low of $43.33 on Feb. 5 on the potential $5 billion charge against their S&P ratings agency on alleged inflated ratings on mortgage-backed securities filed by the Justice Department. MHP has a buy rating after plunging below its 200-day SMA at $50.44. My semiannual value level is $34.97 with an annual pivot at $45.86 and another annual pivot, now a risky level at $55.59. Constellation Brands ( STZ) ($31.37) was flying high with an all-time high at $39.64 on Jan. 29 and plunged to a low of $28.37 on Jan. 31, as the Justice Department considers blocking a beer merger that would have a Bud and Corona under one umbrella. The stock closed that day above its 200-day SMA now at $30.23. STZ has a buy rating with my semiannual value level at $29.94, which held at the low, an annual pivot at $30.65, which is a magnet, and a weekly risky level at $35.08. Time Warner Cable ( TWC) ($88.09) beat EPS estimates by 3 cents a share on Jan. 30 earning $1.57 per share, but the stock fell on weaker than expected forward guidance. TWC closed at $100.70 on Jan. 30 and traded as low as $86.80 on Feb. 1, and is below its 200-day SMA at $89.08. The stock has a buy rating without a value level with a semiannual pivot at 92.08 and weekly risky level at $96.86. Yum! Brands ( YUM) ($62.93) beat EPS estimates by 2 cents a share on Feb. 4 earning 83 cents per share, but repeated warnings about its KFC unit in China, where there is food safety concerns about KFC's chicken. This stock has been taken behind the woodshed three times since setting a multi-year high at $74.75 on Nov. 29. The stock traded as low as $59.68 on Feb. 5 following its latest whipping. The stock is rated a buy with a monthly value level at $61.37, which held around the low, with a weekly risky level at $65.55. At the time of publication the author held no positions in any of the stocks mentioned. Follow @Suttmeier This article is commentary by an independent contributor, separate from TheStreet's regular news coverage.