Stocks: Pushing on to new highs?

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Markets could end the week on a high note as investors shrug off mixed signals about the health of the economy and corporate earnings.

U.S. stock futures were edging up early Friday.

Dish Network (DISH) reported quarterly earnings with significant increases in profit and revenue.

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Shares in General Motors could come under pressure after a Georgia attorney accused the company of dragging its feet on recalling popular compact cars with a defect that was involved in the deaths of at least six people.

GM (GM) shares fell in premarket trading.

On the economic front, existing-home sales for January will be released at 10 a.m. ET.

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Business Wire, owned by Warren Buffett's Berkshire Hathaway (BRKA), said it would discontinue its widely criticized practice of pumping a live news feed into high frequency traders.

Facebook (FB) shares edged up in premarket trading, leaning toward another gain after agreeing to buy WhatsApp earlier this week.

U.S. stocks rallied Thursday, despite lackluster economic data. The S&P 500 closed within 10 points of its record high while the Dow snapped a two-day losing streak and Nasdaq also gained.

Hewlett-Packard (HPQ) edged up in premarket trading after reporting earnings late Thursday that topped analysts' expectations.

Groupon (GRPN) shares plunged after releasing a mixed earnings report. The company topped expectations, but forecast a loss for the next quarter.

Shares of (PCLN) rose in after-hours trading because of better-than-expected earnings.

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European markets were mixed in midday trading, as unrest continued in nearby Ukraine, which canceled plans to raise $2 billion by selling bonds to Russia.

Asian markets ended mixed.

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