It is reported that RVLT, the best stock in the U.S. market increased 515 percent this year. The company has specialized in the sales of LED light, LED light board and LED strip light. Although, the company's revenue reached $6.31 million in 1Q, it still incurred a loss of $5.32 million. U.S. investors remain positive about RVLT indicating the U.S. market's optimistic reaction towards the LED lighting industry. RVLT launch of the most energy efficient 4 feet T8-type desk lamp with highest output power in March, occupied the high point of the industry. Besides RVLT, Cree, the leader of LED chip industry in the U.S. also rose more than 100 percent this year.