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50% accuracy out of the gate is incredibly good for investment analysis.

How so?

Isn't that equivalent to saying on heads I buy, on tails I sell? What makes that incredibly good?

If I could predict with 50% accuracy which startups would unicorn and which would die I'd be extraordinarily wealthy.

For example, invest $1000 in two companies, and expect a 100x gain and a $1000 loss over the next 5 years.

(I say "out of the gate" because you can change your bets as situations and positions evolve, and I'm sure MS do.)

If you had <50% accuracy in expectation you could improve your analysis by inverting it, I suppose...

And, to improve your chances further, you'd just need to know when you'd have more to gain by inverting your choice versus not inverting.