 Shutterstock Inc. SSTK, 4.83 announced a 14 dividend rise on Tuesday to 24 cents per share, payable on March 17 to shareholders of record as of the close of business on March 3. Shutterstock shares have rallied 34.6 over the past year, outpacing the SP 500 index SPX, 0.28 , which is up 14.4 for the period. 