Armstrong World (AWI) provides ceilings and cabinets. Lennox International (LII) provides air conditioning and heating systems. Masco (MAS) provides home improvement and building products. Owens Corning (OC) makes insulation, roofing and siding products.

Here are the weekly charts and my suggested trading strategies.

Armstrong World closed last week at $52.30 up 25.1% year to date and in bull market territory 41.7% above its post-election low of $36.90 set on Nov. 8.

Courtesy of MetaStock Xenith

The weekly chart for Armstrong World is positive but overbought with the stock above its key weekly moving average of $49.18 and above its 200-week simple moving average of $44.54 last tested as the “reversion to the mean” during the week of July 29 when the average was $44.42. The 12x3x3 weekly slow stochastic reading rose to 84.05 last week moving above the overbought threshold of 80.00.

Given this chart, my trading strategy is to buy weakness to my quarterly and semiannual value levels of $47.15 and $45.18, respectively, and reduce holdings on strength to my monthly and annual risky levels of $54.49 and $63.58, respectively. The $45.18 level was tested during the week of July 28.

Lennox closed last week at $184.32 up 20.3% year-to-date and in bull market territory 29.1% above its post-election low of $142.76 set on Nov. 10.

Courtesy of MetaStock Xenith

The weekly chart for Lennox is positive with the stock above its key weekly moving average of $174.38 and above its 200-week simple moving average of $125.38. The 12x3x3 weekly slow stochastic reading rose to 44.71 last week up from 31.65 on Sept. 29.

Given this chart, my trading strategy is to buy weakness to my annual value level of $141.93, and reduce holdings on strength to my monthly and semiannual risk levels of $188.24 and $193.69, respectively.

Masco closed last week at $39.23 up 24.1% year to date and in bull market territory 30.6% above its post-election low of $30.04 set on Nov. 9.

Courtesy of MetaStock Xenith

The weekly chart for Masco is positive with the stock above its key weekly moving average of $38.07 and above its 200-week simple moving average of $27.48. The 12x3x3 weekly slow stochastic reading rose to 59.77 last week up from 48.00 on Sept. 29.

Given this chart, my trading strategy is to buy weakness to my annual value level of $30.40, and reduce holdings on strength to my semiannual, monthly and quarterly risky levels of $40.62, $41.09 and $43.01, respectively.

Owens Corning closed last week at $79.25 up 53.7% year to date and in bull market territory 66.9% above its post-election low of $47.47 set on Nov. 11.

Courtesy of MetaStock Xenith

The weekly chart for Owens Corning is positive but overbought with the stock above its key weekly moving average of $75.37 and above its 200-week simple moving average of $47.80, last tested as the “reversion to the mean” during the week of Jan. 9, 2015 when the average was $35.57. The 12x3x3 weekly slow stochastic reading rose to 92.87 last week moving well above the overbought threshold of $80.00.

Given this chart, my trading strategy is to buy weakness to my semiannual value level of $68.01, and reduce holdings on strength to my monthly and weekly risky levels of $79.40 and $82.28, respectively. The $79.40 was tested at the recent high. I show a quarterly pivot of $76.71.

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