With stock prices slipping, investors are seeking "flight to safety" investments in Treasury bonds, gold bullion, utility stocks and junk bonds using exchange-traded funds. Currently yields are up slightly and gold is down fractionally, so let's look at the weekly charts.

The best investment in the 30-year U.S. Treasury bond yield is the 20+ Year Treasury Bond ETF (TLT) - Get Report . Gold bullion investors use the SPDR Gold Shares ETF (GLD) - Get Report . Investors seeking dividends buy the Utilities Select Sector SPDR Fund (XLU) - Get Report . Investors in high yielding bonds buy the SPDR Barclays High Yield Bond ETF (JNK) - Get Report .

Here's how the underlying investments are performing now.

The yield on the 30-year U.S. bond rose to 3.215% on Dec. 12 and then declined to 3.049% as 2016 came to an end; the yield traded around 3.108% early Tuesday. The New Year begins with a semiannual value level of 3.302% and an annual value level of 4.137%. This assumes the Federal Open Market Committee will raise rates two or three times during 2017, which is the Wall Street expectation. Until the need to raise rates surfaces again, this yield can decline to 2.790% by the end of March.

Comex gold futures traded as low as $1,124.3 the Troy ounce on Dec. 15, then rebounded to as high as $1,164.3 as 2016 came to an end. The New Year begins with gold down to about $1,148.9. Gold could trade as low as $727.50 in the first half of 2017, but could also trade as high as $1,674,1 during all of 2017. A quarterly risky level or pivot is at $1,196.0 through March.

The Dow utility average bottomed at 616.19 on Nov. 14, then rebounded to as high as 665.93 on Dec. 14. My quarterly pivot is 640.73 with an annual pivot of 679.56 and a semiannual risky level of 732.33.

The year-to-date gain for S&P 500 SPDR ETF (SPY) - Get Report contracted to 9.6% last week down from 10.7% on Dec. 23. The "flight to safety" investments ended last week with the U.S. Treasury bond ETF down 1.2% year to date versus down 2.1% year to date on Dec. 23. The gold ETF and the utility stocks ETF have year-to-date gains of 8% and 12.2% last week, respectively, versus 6.4% and 12.3%, respectively, on Dec. 23.

Here's how to trade the exchange-traded funds.

Investors can trade the U.S. Treasury 30-Year Bond like a stock using the 20+ Year Treasury Bond ETF, which is backed by a basket of U.S. Treasury bonds with maturities of 20 to 30 years. As a stock-type investment it never matures and interest income is converted to periodic dividend payments.

Here's the weekly chart for the bond ETF.

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Courtesy of MetaStock Xenith

The weekly chart remains negative but oversold with the bond ETF below its key weekly moving average of $121.34 and below its 200-week simple moving average of $120.18, with a low of $116.80 on Dec. 16. The weekly momentum reading inched higher last week to 5.73 up from 5.07 on Dec. 23, with both readings deeply below the oversold threshold of 20.00.

Investors looking to buy the bond ETF should consider buying weakness to $115.92 and $105.77, which are key levels on technical charts until the end of June and until the end of 2017, respectively. Investors looking to reduce holdings should do so on strength to $126.87, which is a key level until the end of March.

Investors can trade gold like a stock using the SPDR Gold Shares ETF, which is backed by gold bullion.

Here's the weekly chart for the gold ETF.

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Courtesy of MetaStock Xenith

The weekly chart remains negative but oversold with the gold bullion ETF below its key weekly moving average of $112.52 and below its 200-week simple moving average of $120.47. The weekly momentum reading rose slightly to 7.31 last week up from 6.85 on Dec. 23, with both readings well below the oversold threshold of 20.00.

Investors looking to buy the gold EFT should consider buying weakness to $98.41, which is a key level on technical charts for this week. Investors looking to reduce holdings should consider doing so on strength to $113.82 and $115.20, which are key levels on technical charts until the end of March and until the end of January, respectively.

Investors seeking the safety of dividends can trade the, which is a basket of 28 utility stocks.

Here's the weekly chart for the utilities ETF.

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Courtesy of MetaStock Xenith

The weekly chart remains positive with the utilities ETF above its key weekly moving average of $48.03 and above its 200-week simple moving average as support at $43.60. The weekly momentum reading rose to 48.62 last week up from 39.45 on Dec. 23.

Investors looking to buy the utilities ETF should do so on weakness to $47.25 and $46.26, which are key levels on technical charts until the end of this week, and until the end of March, respectively. Investors looking to reduce holdings should consider selling strength to $50.53 and $50.72, which are key levels on technical charts until the end of January and until the end of 2017, respectively. A semiannual risky level is $54.29.

The SPDR Barclays High Yield Bond ETF is for investors betting that junk bond yields will tighten against U.S. Treasuries. Remember that the performance of junk bonds correlates to the stock market, not to the bond market, hence the recent tightening of spreads. Be careful as junk bonds are trying to stabilize within a junk bond bubble.

Here's the weekly chart for the junk bond ETF.

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Courtesy of MetaStock Xenith

The weekly chart is positive with the junk bond ETF above its key weekly moving average of $36.29. As a sign of a continuing Junk Bond Bubble, the ETF remains well below its 200-week simple moving average of $38.42. This ETF has been below this "reversion to the mean" since the week of Nov. 14, 2014, when the average was $40.08. The weekly momentum reading rose to 65.97 up from 60.88 on Dec. 23.

Investors looking to buy the junk bond EFT should do so on weakness to $35.14 and $34.01, which are key levels on technical charts until the end of June and until the end of March, respectively. Investors looking to reduce holdings should do so on strength to $37.04, which is a key level on technical charts until the end of January. My annual value level is $27.60 with an annual risky level of $43.98.

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