Can You Guess This Chart?

Think you know the markets? See if you can guess this stock based on the chart and clues below. Answer is at the bottom. 

• This company updated their Q2 guidance and announced a cross-license agreement with Samsung on Tuesday. The stock was up after hours as a result. 
• It's an IT company that focuses on data storage devices. 
• Sympathy plays include Seagate Technology PLC STX, SanDisk Corporation SNDK and International Business Machines Corp. IBM

Answer: Western Digital Corp WDC