P&L doesn't seems always accurate

[Andreea167]

I tested on the graph of account: ak_16Vr4WXMKMLcHa9AYtWdUGfA6yFq6V2Zw2ZecArMArcR6VSXN
Steps to reproduce:

1. Having one token created with a small amount of a token (MAKY token in this case)
2. Use another account for buying more amount of that specific token for simulate an increse in the value of the token and simulare a profit of the portfolio

Actual result: The portofolio value is now more with aprox 42 AE, but the P&L shown just + 4 AE, insted of +42 AE and the % is not correct as well, there is more then 58% increase

Also created a similar beahivor for loss and when there was -3AE, the loss says 0 AE and also -25% which does not seems right, since from 83 AAE to 80AE is not a -25%. (see images 2)

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