Maria Sharapova named in Forbes' richest self-made women under-40 list

Russian tennis great, Maria Sharapova, 33, has been named in the Forbes' Top 100 list of richest self-made women under 40 years of age. The five-time Grand Slam champion made the list which includes US celebrities like entrepreneur Kylie Jenner and singer Rihanna.

The former World No. 1 is ranked 87th on the list with a net...