SK hynix Inc., the world's second-largest manufacturer of memory chips, finished at a yearly high on Wednesday as investors bet the chipmaker would rake in decent earnings down the road on the back of a recovery in chip prices. Shares of SK hynix soared to close at a 52-week high of 40,750 won (US$39.2), up 2.39 percent from the previous session's close, on a continued buying spree by institutional and foreign investors. Tuesday's closing price also marked the highest- ever after Sept. 18, 2006, when it ended at 40,100 won.