(Reuters) – Micron Technology Inc forecast current-quarter revenue and profit above estimates as a stabilizing PC market spurs demand and boosts prices of its memory chips. Shares of the company, which also posted its first rise in quarterly revenue in nearly two years, were up about 10 percent at $22.55 in after-market trading on Wednesday. Micron, which makes dynamic random access memory (DRAM) chips used in personal computers, is benefiting from an improving PC market at a time when supplies remain tight. …