The stock tried to set another 2012 high on Sept. 14, but did not. The weekly chart is negative with the 200-week SMA at $32.37. Investors and traders should employ a "buy and trade" strategy between the value level and risky level.

National Oilwell Varco ( NOV) ($80.55 vs. $72.30 on Aug. 1) continues to have a buy rating according to ValuEngine with a so-so P/E ratio and is above its 200-day SMA at $74.60. NOV set a multi-year high at $89.95 on September 18.

NOV is positive but overbought with the 200-week SMA at $55.20. Investors and traders should employ a "buy and trade" strategy between the value level and risky level.

Occidental Petroleum ( OXY) ($86.38 vs. $87.03 on Aug. 1) continues to have a buy rating according to ValuEngine with a so-so P/E ratio with the stock below its 200-day SMA at $91.01.

OXY had a 2012 high at $106.68 on Feb. 28 with a 2012 low at $76 59 on June 1. The weekly chart profile is negative with the 200-week simple moving average at $83.30. Investors and traders should reduce holdings on strength to my weekly pivot at $87.35 then employ a "buy and trade" strategy between the value level and risky level.

Schlumberger ( SLB) ($72.58 vs. $71.26 on Aug. 1) continues to have a buy rating according to ValuEngine with an elevated P/E ratio and is above its 200-day SMA at $71.08. SLB traded to a 2012 high at $80.78 on Feb. 22 and as low as $59.12 on June 26, and has a negative weekly chart with the 200-week SMA at $66.97. Investors and traders should employ a "buy and trade" strategy between the value level and risky level.

Williams Companies ( WMB) ($35.60 vs. $31.79 on Aug. 1) continues to have a buy rating according to ValuEngine with a so-so P/E ratio and is above its 200-day SMA at $30.54. WMB set a new multi-year high at $35.79 as this new quarter began on Monday.

The weekly chart is positive but overbought with the 200-week SMA at $20.62. Investors and traders should reduce holdings with the stock above my weekly pivot at $35.54. My annual risky level is $40.78.

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