Early movers: SYMC, YELP, JNPR, FDO, TSLA & more

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A trader works on the floor of the New York Stock Exchange.

Check out which companies are making headlines before the bell:

Symantec–The tech company announced it would split into two publicly traded companies, one focusing on security, the other on information management. Published reports earlier in the week had said Symantec would make such an announcement.

Yelp–The review site operator is rated a "buy" in new coverage at Sterne Agee, which said it's bullish on the company's long term prospects versus its peers, despite the prospect of some short-term volatility.

Microchip Technology–The chip maker has lowered its second quarter sales forecast, and said its results suggest another semiconductor industry correction.

Fastenal–The maker of industrial supplies matched estimates with per-share earnings of 45 cents per share, with revenue slightly exceeding estimates. The company is targeting a slight near-term increase in its gross margins.

Family Dollar—The discount retailer reported fiscal fourth quarter profit of 73 cents per share, excluding certain items, missing estimates by four cents. Family Dollar is in the process of completing a deal to sell itself to Dollar Tree, while trying to fend off a hostile bid from Dollar General.

Medtronic —The medical product maker said current chairman and CEO Omar Ishrak will remain in those jobs after Medtronic closes its deal to acquire Covidien.

Juniper Networks —Juniper cut its profit and revenue guidance for its third quarter, with the telecommunications equipment maker citing slack demand from telecom service providers.

Civeo —The company is under pressure from David Einhorn's Greenlight Capital, which has disclosed a 9.99 percent stake and is pushing for the ouster of the company's chief executive officer. Civeo is a provider of housing for oil and natural resource workers.

Post Holdings —The consumer packaged products maker has named Rob Vitale as CEO effective November 1. He'll replace William Stiritz, who has been at the helm since Post separated from Ralcorp Holdings back in 2012, but Stiritz will remain with the company, serving as executive chairman.

Google—The search giant will release its largest-ever smartphone this month, according to the Wall Street Journal. The new phone will have a 5.9 inch screen and be sold under the Nexus brand.

Tesla —Tesla has unveiled anall-wheel drive version of its flagship Model S sedan, which will also have new "autopilot" features.

Microsoft —CEO Satya Natella is under fire after suggesting that women in technology should have faith in the system, rather than asking for a raise. The comments came at a technology conference in Phoenix.

Dave & Buster's (PLAY)—The restaurant chain will begin trading today after pricing 5.9 million shares at $16 each in its initial public offering. The price was at the low end of its expected range.

Darden Restaurants—The Olive Garden parent holds its annual meeting today, at which activist investor Starboard Value is seeking to unseat the entire board of directors.

—By CNBC's Peter Schacknow

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