Higher-than-expected sales of the iPhone 4S along with rumors of an all-metal body for the next iPhone has sent shares of Foxconn Technology Company to their highest level in more than five months on the Taipei stock exchange, BusinessWeek reports. Although the company makes nearly 50 percent of all the world's high-tech electronics, its fortunes are closely tied to the status of its best-known customer, Apple. The stock closed the day at NT$101.50 (approximately $3.44 US) a rise of about six percent.