Earnings season is under way and stocks are rallying on better-than-expected profits. Here are 10 companies that beat analysts' earnings expectations by wide margins. (See who beat analysts by 258 percent.)

They are ordered by outperformance, from smallest to biggest surprise.

10. JPMorgan Chase

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[JPM  Loading...      ()   ] is a global financial-services company. Second-quarter net income increased 76% to $4.8 billion and earnings per share nearly quadrupled to $1.09, beating analysts' consensus estimate by 54%.

JPMorgan shares have gained just 1% since the announcement. They are still cheap, selling for a forward earnings multiple of 8.5, a 39% discount to the industry average. Of analysts covering the stock, 29, or 88%, rate it "buy" and four rank it "hold." None rate it "sell." A median target of $53.45 implies a 31% return in the weeks ahead.

9. Ford

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[F  Loading...      ()   ] is a U.S. automobile maker. Second-quarter net income gained 15% to $2.6 billion, but earnings per share dropped 12% to 61 cents, hurt by dilution. Still, the earnings-per-share tally exceeded researchers' expectations by 67%.

Ford's stock has rallied 12% since the release. It sells for a price-to-projected-earnings ratio of 7.4, an attractive 83% discount to the auto industry average. Of analysts following Ford, nine, or 56%, advise buying its shares, six recommend holding and one says to sell.

8. SunTrust Banks

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[STI  Loading...      ()   ] is an Atlanta-based regional bank. SunTrust swung to a second-quarter profit of $12 million, but a per-share loss of 11 cents, less than the 35-cent loss predicted by sell-side firms. SunTrust shares have gained 18% since the announcement. Still, they have decreased 5% during the past three months. SunTrust trades at a price-to-book ratio of 0.6 and a price-to-sales ratio of 1.4 -- 54% and 16% discounts to peer averages. Of firms evaluating SunTrust, 10, or 19%, rate its stock "buy," while 19 rate it "hold" and eight rank it "sell."