The futures were slightly lower again Wednesday morning as traders tried to regroup from a sell-off on Tuesday that ended the Dow Jones industrial average’s eight-day winning streak. Rising interest rates were cited as the culprit, although they still are historically very low and probably headed higher.

Some investors have reconsidered what the nine-year bull market may bring in 2018 and beyond. It has become clear that the multiyear trend of buying pullbacks is now more vulnerable to sellers, volatility and each major news headline. Many investors are finding it harder to decide how they want their assets positioned for the longer term.

24/7 Wall St. reviews dozens of analyst research reports each day of the week to find new investing ideas and trading ideas for our readers. Some of the top analyst reports cover stocks to buy. Other calls cover stocks to sell or to avoid.

Additional color and commentary have been added on some of these daily analyst calls. The consensus analyst price targets are from the Thomson Reuters sell-side research service.

These were the top analyst upgrades, downgrades and other research calls from Wednesday, May 16, 2018.

3M Co. (NYSE: MMM) was downgraded to Hold from Buy at Jefferies. The 52-week trading range for the stock is $191.44 to $259.77. The Wall Street consensus price target for the venerable diversified industrial giant is $218.15. Its shares closed Tuesday’s trading at $202.41.

Advanced Micro Devices Inc. (NASDAQ: AMD) was raised to Neutral from Negative at Susquehanna. The 52-week trading range for the chip company is $9.04 to $15.65. AMD has had a host of positive news on the back of blow-out earnings posted in April. The consensus analyst price target is $13.87. The shares closed Tuesday at $12.45, and they traded higher in Wednesday’s premarket action.

CenturyLink Inc. (NYSE: CTL) was downgraded to Underperform from Neutral at Macquarie. The 52-week trading range is $13.76 to $27.61. The consensus price objective is $19.74, and the stock closed trading on Tuesday at $19.37 a share.

Chipotle Mexican Grill Inc. (NYSE: CMG) was raised to Buy from Hold at Argus. The 52-week trading range for the volatile restaurant chain is $247.52 to $496.14, and the consensus price target was last seen at $364.60. The shares closed way above that level Tuesday at $426.56.

F5 Networks Inc. (NASDAQ: FFIV) was downgraded to Neutral from Buy at D.A. Davidson. The 52-week trading range is $114.63 to $172.96, and the consensus price target is $154.53. The stock closed trading on Tuesday at $171.20.

LyondellBasell Industries N.V. (NYSE: LYB) was raised to Buy from Hold at Jefferies. The 52-week trading range for the chemical giant is $78.01 to $121.95. The consensus price target is $115.82, and the stock closed Tuesday at $112.17.

Raymond James Financial Inc. (NYSE: RJF) was raised to Buy from Neutral at Goldman Sachs. The 52-week trading range for the brokerage firm is $71.35 to $99.26. The posted consensus price target is $107.25. The stock closed trading most recently at $93.95.

Follow @Jonogg on Twitter to receive the daily analyst calls and other market research calls directly on your feed.