The S&P 500 I:GSPC  is divided into 11 sectors, and each can be traded using its own exchange-traded fund. Since Donald Trump won the presidential election, the ETFs for materials, industrial, energy, financial and transportation have provided stock market leadership. However, the weekly charts for these five have become overbought.

The real estate and health care sector ETFs have neutral weekly charts, while consumer discretionary and consumer staples sector ETFs have positive weekly charts, but could shift to negative before becoming overbought.

The utility ETF has a positive weekly chart on the demand for dividends as bond yields stabilization. The technology sector is also positive primarily on multiyear intraday highs being set almost daily from semiconductor stocks.

Here's this week's scorecard for the 11 exchange-traded funds -- none of which reached new highs -- that represent each of the sectors of the S&P 500, followed by the individual funds' weekly charts.

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The SPDR Dow Jones REIT ETF (RWR) - Get Report ended last week at $91.43, losing ground and now down 0.2% year to date, and in correction territory 12.4% below its all-time intraday of $104.34 set on July 29, but is 13.2% above its Feb. 11 low of $80.74.

The weekly chart for RWR has been downgraded to neutral from positive with the ETF just below its key weekly moving average of $91.71 and above its 200-week simple moving average of $86.00, last tested during the week of Feb. 12, when the average was $81.06. The weekly momentum reading rose to 33.16 last week up from 27.24 on Dec. 16.

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Investors looking to buy the REIT ETF should do so on weakness to $87.55, which is a key level on technical charts for this week. Investors looking to reduce holdings should consider selling strength to $96.05, which is a key level on technical charts until the end of December.

The Materials Select Sector SPDR Fund (XLB) - Get Report ended last week at $50.27, down slightly on the week but up 15.8% year to date, after setting its multiyear intraday high of $51.69 on Dec. 12. The multiyear high of $52.22 was set in Feb. 2015. The ETF is in bull market territory 38.5% above its Jan. 20 low of $36.29.

The weekly chart for XLB remains positive but overbought with the ETF above its key weekly moving average of $49.45 and above its 200-week simple moving average of $45.87, last tested during the week of July 1, when the average was $44.51. The weekly momentum reading rose to 81.41 last week up from 79.94 on Dec. 16, rising above the overbought threshold of 80.00.

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Investors looking to buy the materials ETF should do so on weakness to $45.87, which is the 200-week simple moving average. I show a pivot of $51.19 as a magnet for December. Investors looking to reduce holdings should consider selling strength to $53.66, which is a key level on technical charts until the end of 2016.

The Industrial Select Sector SPDR Fund (XLI) - Get Report ended last week at $62.99, up 18.8% year to date, but stayed below its all-time intraday high of $64.07 set on Dec. 7. This ETF is in bull market territory 34.5% above its Jan. 20 low of $46.82.

The weekly chart for XLI remains positive but overbought with the ETF above its key weekly moving average of $61.59 and above its 200-week simple moving average of $52.70, last tested during the week of Jan. 22 when the average was $47.92. The weekly momentum reading rose to 86.87 last week up from 85.92 on Dec. 16, moving further above the overbought threshold of 80.00.

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Investors looking to buy the industrial ETF should do so on weakness to $61.23, which is a key level on technical charts until the end of December. Investors looking to reduce holdings should do so on strength to $65.36, which is a key level on technical chart until the end of this week.

The Consumer Discretionary Select Sector SPDR Fund (XLY) - Get Report ended last week at $82.45, slipping slightly last week but still up 5.5% year to date, and in bull market territory 22.0% above its Jan. 20 low of $46.82. This ETF set its all-time intraday high of $84.68 on Dec. 13.

The weekly chart for XLY is positive with the ETF above its key weekly moving average of $81.68 and well above its 200-week simple moving average of $70.58. The weekly momentum reading rose to 78.22 last week up from 76.13 on Dec. 16.

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Investors looking to buy the consumer discretionary ETF should do so on weakness to $81.02, which is a key level on technical charts until the end of December. Investors looking to reduce holdings should consider selling strength to $87.45, which is a key level on technical charts until the end of 2016.

The Consumer Staples Select Sector SPDR Fund (XLP) - Get Report ended last week at $52.06, up 3.1% year to date and is 7.1% below the July 14 all-time intraday high of $56.02. The ETF is up 9.9% from its Jan. 20 low of $47.39.

The weekly chart for XLP is positive with the ETF above its key weekly moving average of $51.78 and above its 200-week simple moving average of $47.02. The weekly momentum reading ended last week at 38.16 up from 26.94 on Dec. 16.

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Investors looking to buy the consumer staples ETF should do so on weakness to $50.71, which is a key level on technical charts until the end of this week. Investors looking to reduce holdings should consider selling strength to $52.80, which is a key level on technical charts until the end of December.

The Energy Select Sector SPDR Fund (XLE) - Get Report ended last week at $76.35 down slightly on the week, but up 26.6% year to date and in bull market territory 52.9% above its Jan. 20 low of $49.93. This ETF set its 2016 high of $78.45 on Dec. 12, then faded by 2.7%.

The weekly chart for XLE remains positive but overbought with the ETF above its key weekly moving average of $73.73. The ETF was above its 200-week simple moving average of $77.64 two weeks ago, for the first time since the week of June 5, 2015, when the average was $79.56. The weekly momentum reading rose to 84.20 last week up from 82.23 on Dec. 16, moving further above the overbought threshold of 80.00.

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Investors looking to buy the energy ETF should do so on weakness to $75.34, which is a key level on technical charts until the end of this week. Investors looking to reduce holdings should consider selling strength to $77.35 and $78.52, which are key levels on technical charts until the end of 2016.

The Financial Select Sector SPDR Fund (XLF) - Get Report ended last week at $23.58, up slightly on the week and is up 21.9% year to date and in bull market territory 48.7% above its Feb. 11 low of $15.86. This ETF set its multiyear intraday high of $23.87 on Dec. 15.

The weekly chart for XLF remains positive but overbought with the ETF above its key weekly moving average of $22.33 and above its 200-week simple moving average of $18.46, last tested during the week of July 1 when the average was $17.58. The weekly momentum reading rose to 91.76 last week up from 90.68 on Dec. 16, moving further above the overbought threshold of 80.00.

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Investors looking to buy the finance ETF should do so on weakness to $21.73, which is a key level on technical charts until the end of December. Investors looking to reduce holdings could have done so last week on strength to $23.51 and $24.49, which are key levels on technical charts until the end of 2016. The high was an opportunity to sell this ETF at the open of $23.68 on Dec. 12.

The Health Care Select Sector SPDR Fund (XLV) - Get Report ended last week at $69.46, down slightly last week and is down 3.6% year to date. The ETF is 10.8% above its Feb. 9 low of $62.68. This ETF is 8.6% below its Aug, 1 high of $76.00.

The weekly chart for XLV has been downgraded to neutral from positive with the ETF right on its key weekly moving average of $69.46 and above its 200-week simple moving average of $64.00. The weekly momentum reading rose to 41.47 last week up from 38.06 on Dec. 16.

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Investors looking to buy the health care ETF should do so on weakness to $68.15, which is a key level on technical charts until the end of this week. Investors looking to reduce holdings should consider selling strength to $73.95, which is a key level on technical charts until the end of December.

The Utilities Select Sector SPDR Fund (XLU) - Get Report ended last week at $48.61, which was a weekly gain, which has the ETF up 12.3% year to date and 8.3% below its July 6 high of $53.02. This ETF is 17.5% above its Dec. 11, 2015 low of $41.50.

The weekly chart for XLU remains positive with the ETF above its key weekly moving average of $47.90 and above its 200-week simple moving average of $43.54. The weekly momentum reading rose to 39.54 last week up from 30.58 on Dec. 16.

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Investors looking to buy the utilities ETF should do so on weakness to $46.99, which is a key level on technical charts until the end of this week. Investors looking to reduce holdings should consider selling strength to $48.89, which is a key level on technical charts until the end of December. This level was tested two weeks ago, and the next key levels at which to sell at are $51.19 and $51.46, in play until the end of this week.

The Technology Select Sector SPDR Fund (XLK) - Get Report ended last week at $48.97, up 14.3% year to date and in bull market territory 28.8% above its Jan. 20 low of $38.03. This ETF set its 2016 high of $49.40 on Dec. 15.

The weekly chart for XLK remains positive with the ETF above its key weekly moving average of $47.92 and well above its 200-week simple moving average of $39.54. The weekly momentum reading rose to 75.15 last week up from 68.51 on Dec. 16.

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Investors looking to buy the technology ETF should consider doing so on weakness to $47.49, which is a key level until the end of 2016. Investors looking to reduce holdings should consider selling strength to $49.05, which is a key level on technical charts until the end of 2016, and tested again last week.

The iShares Transportation Average ETF (IYT) - Get Report ended last week at $165.24 losing ground on the week, but it's up 22.6% year to date and in bull market territory 43.8% above its Jan. 20 low of $114.91. This ETF set its all-time intraday high of $171.16 set on Dec. 9.

The weekly chart for IYT is positive but overbought with the ETF above its key weekly moving average of $159.95 and above its 200-week simple moving average of $139.41. The weekly momentum reading slipped to 90.10 last week down from 92.57 on Dec. 1, with both readings well above the overbought threshold of 80.00.

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Investors looking to buy the transportation ETF should consider doing so on weakness to $149.02, which is a key level on technical charts until the end of December. Investors looking to reduce holdings should do so on strength to $169.99, which is also a key level on technical charts until the end of this week.

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.