Wearable devices have stolen the show at the Mobile World Congress (MWC) in Barcelona, according to Chinese-language United Evening News. Companies including Samsung, LG, Sony, and Huawei Device have all showcased their wearable designs at the show. Increasing investment from manufacturers is leading to a rise in sapphire material applications. Sapphire material prices began to rise at an average of 5-7% during 1Q14, which stimulated listed company Crystalwise Technology and ACME Electronics Corp. rising stock prices on Feb. 25, 2014. This in turn led to LED stocks strong growth.