STLtoday.com | Stocks mostly flat in midday trading; oil slips STLtoday.com OIL DEAL: Noble Energy agreed to buy Rosetta Resources for about $2.1 billion in stock. The deal gives the oil and gas company access to two massive Texas shale formations, immediately boosting its earnings. Noble Energy fell $3.23, or 6.6 percent, ... US stock indexes mostly flat in afternoon trading; oil slips US stocks little changed in early trading as market comes off biggest gain in ... |