Capital Gain

Hi,

 

I changed my job early this year. I transfer my pre-tax 401k to Roth IRA.

However, my old 401K administration transferred all my gain to my new Roth IRA account.

I already did my tax for 2019 year.

 

Can I start to invest my new Roth IRA ?

How can I pay the capital gain for my old 401k ?

 

Regards,

Michael