NEW YORK (TheStreet) -- Nuance Communications (NUAN) is popping early Wednesday after revising guidance a day earlier. By market open, shares had soared 7.9% to $16.07.

After the bell Tuesday, the voice-recognition software developer announced expectations for first-quarter revenue between $487 million and $491 million and net income in the range of 23 cents to 24 cents a share. Prior guidance estimated revenue of $477 million to $487 million and net earnings of 18 cents to 21 cents a share.

Analysts surveyed by Thomson Reuters anticipate net income of 21 cents a share on $483.56 million in revenue.

The company is due to report first-quarter earnings for the period ended December after market close on Feb. 10.

The Burlington, Mass.-based business also announced it had appointed Bill Robbins, former Symantec sales executive, as its executive vice president of worldwide sales. Robbins joins the team with 25 years of executive leadership experience in sales, operations and market development.

TheStreet Ratings team rates NUANCE COMMUNICATIONS INC as a Hold with a ratings score of C-. The team has this to say about their recommendation:

"We rate NUANCE COMMUNICATIONS INC (NUAN) a HOLD. The primary factors that have impacted our rating are mixed -- some indicating strength, some showing weaknesses, with little evidence to justify the expectation of either a positive or negative performance for this stock relative to most other stocks. 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 and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and weak operating cash flow."

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