Some investors think the chip stock is a bargain. Is it, though?Intel (INTC 3.20%) is emerging as one of the biggest battleground stocks of the year.Shares of the chip titan, best known for its personal computer CPUs, plunged in early August after the company missed analysts' estimates with its second-quarter results, offered weak guidance for the third quarter, said it would eliminate its dividend, and announced a restructuring plan that included laying off at least 15% of its workforce, or 15,000 people.I ...