NEW YORK ( TheStreet) -- Here are 10 things you should know for Friday, April 26: 1. -- U.S. stock futures were pointing down Friday as investors awaited first-quarter gross domestic product numbers with caution.2. -- The economic calendar in the U.S. Friday includes the advance first-quarter gross domestic product report at 8:30 a.m. EDT, and the final University of Michigan sentiment index for April at 9:55 a.m. 3. -- U.S. stocks on Thursday finished with gains as U.S. jobless claims declined. The S&P 500 rose 0.4% to 1,584.82. The Dow Jones Industrial Average rose 0.2% to 14,700.80. 4. -- Amazon ( AMZN), the online retail giant, posted net income on Thursday that beat Wall Street expectations, but noted unit growth continued to go in the wrong direction. In its fiscal first quarter, Amazon earned 18 cents a share on $16.07 billion in revenue, a year-over-year increase of 22%. Analysts were looking for earnings of 8 cents a share on $16.14 billion in sales. For the second quarter, Amazon expects revenue between $14.5 billion and $16.2 billion, a growth of 13% to 26% compared with second quarter of 2012. 5. -- Wall Street is expecting Chevron ( CVX) to post first-quarter profit on Friday of $3.07 a share on revenue of $67.73 billion. 6. -- Starbucks ( SBUX), the world's biggest coffee chain, on Thursday posted profit of $390.4 million, or 51 cents a share, up from $309.9 million, or 40 cents share, a year earlier. Adjusted earnings were 48 cents a share, in line with analysts' estimates. Revenue in the quarter rose 11% to $3.56 billion. U.S. same-store sales in the quarter rose 7%. 7. -- Samsung said net profit in the January-March quarter jumped 42% to 7.2 trillion won ($6.5 billion) as sales gained 17% to 52.9 trillion won. IDC estimated that Samsung shipped 70.7 million smartphones during the first quarter, up 61% from a year earlier, and captured 33% market share. Apple ( AAPL) sold 37.4 million iPhones during the quarter; its market share fell to 17% from 23% a year earlier, IDC said. 8. -- George Soros revealed he had taken an 8% stake in JCPenney ( JCP), the struggling retailer. Soros Fund Management disclosed in a Securities and Exchange Commission 13G filing, dated April 15, that it bought 17.4 million shares, or a 7.9% stake in the retailer's stock.