SEOUL (Reuters) – Samsung Electronics Co Ltd sold a record 86 million smartphones in the fourth quarter and widened its lead over Apple Inc even after the U.S. firm reached a new iPhone sales high, data from research firm Strategy Analytics showed. Samsung took 29.6 percent of the global smartphone market in the fourth quarter, ahead of Apples 17.6 percent, as strong low-end market growth led by Chinese vendors continued to shake up the smartphone industry, the data showed. …