Advances in biotech research should alleviate concerns about the widespread use of genetically modified seeds.
Facebook is upgraded to 'market perform,' while Las Vegas Sands is downgraded to 'hold.'
Dow Chemical is downgraded to 'neutral,' and eBay is initiated with a 'buy.'
Cheap fuel boosts prospects for select chemical and fertilizer companies.
The Dow falls 156 points on worries about Europe and disappointment with jobless claims and manufacturing weakness in mid-Atlantic states. Facebook prices its IPO at $38. Wal-Mart results cheer investors. Apple slumps.
Under Armour is upgraded to 'buy,' and Marvell Technology is downgraded to 'neutral.'
The disappointing jobs report and voter repudiation of austerity in France and Greece will make Monday tough. But a strong earnings report from Walt Disney may help markets regain their footing. Reports from Macy's and Nordstrom may help, too.
The sell-off comes as the government says the economy added 115,000 jobs in April, less than expected. The S&P 500 and Nasdaq suffer their worst weekly losses for 2012. Crude oil briefly falls below $98. Apple drops $16.
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