The booming eSports industry could be worth as much as $138 billion in 2018, according to market research firm Newzoo. The high-flying market, which has grown an impressive 13.3% from last year, up $16.2 billion, is benefiting from traction from new video game content, products and gaming events around the world. Last week, Activision Blizzard Inc. (ATVI) hosted its first ever Grand Finals for its mega-franchise “Overwatch,” and sold out Brooklyn’s Barclays Center.