Sony, which is putting more money into internal start-ups, is seeing big profits from its holding in a little-known health-care company.
The Tokyo-based consumer electronics company has seen the value of its stake in M3 rise more than 50 percent over the past year to about US$4 billion (A$6.1 billion).
M3 is a medical Web portal founded in 2000 that is used by doctors in Japan, China, the US and other countries to find medical studies, look up pharmaceutical information and network with each other
