Investors focused on new labor market data Investors are focused on new data on the labor market Thursday. Clues on the health of the U.S. labor market could come with the release of weekly initial jobless claims at 8:30 a.m. Economists forecast a total of 370,000 new filings, compared with 380,000 in the prior week. Also on investors" minds: Spain, the latest trouble spot in the euro zone debt crisis, which sold 2.5 billion euros ($3.3 billion) of bonds. But yields rose as Madrid struggled to tame its deficit. Corporate earnings are also in focus. Bank of America Corp, the No. 2 U.S. bank, posted lower quarterly profit. DuPont and Co's quarterly profit and sales beat expectations, helped by price hikes and strong sales of herbicides and genetically modified seeds. According to Thomson Reuters data, 35 companies in the S&P 500 are due to report Thursday. Notables include Microsoft Corp, Freeport-McMoRan Copper & Gold Inc and Verizon Communications Inc. Of the 56 S&P 500 companies reporting through Wednesday morning, 79 percent beat estimates. Biotechnology company Human Genome Sciences Inc surged 107.1 percent to $14.85 premarket after it rejected an unsolicited $2.6 billion bid from long-time partner GlaxoSmithKline Plc . Asian shares traded in tight ranges before the Spanish bond auction amid renewed concerns over the euro zone's debt crisis.