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Technology companies continued to report disappointing earnings following industry leader Apple’s rare earnings disappointment earlier this week.

Zynga, which produces popular social network games “CityVille” and “FarmVille” posted poor quarterly results and cut its outlook, prompting a number of analyst downgrades. Its stock fell $1.90, or 37.5 percent, to $3.17.

Zynga’s disastrous results were also a bad omen for Facebook, which got about 12 percent of its 2011 revenue from Zynga. Facebook plunged 10 percent in after-hours trading after the company reported a loss of $157 million for its second quarter. The stock was down $2.63 at $24.19.

Among other stocks making big moves:

• PulteGroup jumped $1.84, or 18 percent, to $11.86 after the homebuilder posted a quarterly profit, beating Wall Street’s forecasts thanks to higher house prices and sales.

• United Continental slumped $1.21, or 6 percent, $19.20 after the combined airline’s second-quarter net income dropped 37 percent as it continued to wrestle with merger-related issues.

• Whole Foods Market jumped $9.57, or 11 percent, to $94.10 after the natural and organic foods store chain lifted its profit outlook for the year. Its net income jumped 32 percent in the latest quarter as shoppers spent more.