NEW YORK (TheStreet) -- Shares of Keurig Green Mountain Inc  (GMCR) were stalling, down 2.73% to $82 in early market trading Friday, after analysts at UBS downgraded the coffee machine maker to "neutral" from "buy" earlier this morning.

Analysts at the firm also lowered its price target to $86 from $114 on shares of Keurig Green Mountain.

UBS analysts cited the company's execution issues on three fronts, including the transition to 2.0, reviving the K-Cup franchise and mass-marketing its KOLD machine.

UBS analysts added that they see downside risk, if execution fails.

The firm coupled its downgrade on Keurig with an upgrade of Monster Beverage  (MNST) to "buy" from "neutral" this morning.

Waterbury, Vt.-based Keurig Green Mountain is a specialty coffee and coffeemaker business that sells single cup brewers as well as traditional whole bean and ground coffee in other package types including bags, fractional packages and cans.

Separately, TheStreet Ratings team rates KEURIG GREEN MOUNTAIN INC as a Buy with a ratings score of B. TheStreet Ratings Team has this to say about their recommendation:

"We rate KEURIG GREEN MOUNTAIN INC (GMCR) a BUY. This is driven by several positive factors, which we believe should have a greater impact than any weaknesses, and should give investors a better performance opportunity than most stocks we cover. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity and expanding profit margins. We feel its strengths outweigh the fact that the company has had lackluster performance in the stock itself."

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