Fidelity boosted Snapchat stake in February

Fidelity Investments disclosed on Wednesday it boosted its stake in free mobile messaging app Snapchat in February, despite recent concerns the company is struggling to gain traction with advertisers. Fidelity mutual funds, which have become one of the largest investors in pre-IPO companies, reported holding larger stakes in Snapchat in monthly holdings updates disclosed on Wednesday. Fidelity funds invested more money in Snapchat as part of an extension of the company's original Series F fundin